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1222223430344 = 23725784923807
BaseRepresentation
bin10001110010010010001…
…100011000001011001000
311022211202212000100021012
4101302102030120023020
5130011103144232334
62333252013503052
7154205556513110
oct21622214301310
94284685010235
101222223430344
11431384299254
12178a601a1a88
138b3418088a7
1443227c2a040
1521bd5c509ce
hex11c923182c8

1222223430344 has 32 divisors (see below), whose sum is σ = 2629241095680. Its totient is φ = 521771864064.

The previous prime is 1222223430319. The next prime is 1222223430347. The reversal of 1222223430344 is 4430343222221.

It is a super-2 number, since 2×12222234303442 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222223430344.

It is not an unprimeable number, because it can be changed into a prime (1222223430347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42447512 + ... + 42476295.

It is an arithmetic number, because the mean of its divisors is an integer number (82163784240).

Almost surely, 21222223430344 is an apocalyptic number.

1222223430344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1222223430344 is an abundant number, since it is smaller than the sum of its proper divisors (1407017665336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222223430344 is a wasteful number, since it uses less digits than its factorization.

1222223430344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84924077 (or 84924073 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1222223430344 its reverse (4430343222221), we get a palindrome (5652566652565).

The spelling of 1222223430344 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-three million, four hundred thirty thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 257 514 1028 1799 2056 3598 7196 14392 84923807 169847614 339695228 594466649 679390456 1188933298 2377866596 4755733192 21825418399 43650836798 87301673596 152777928793 174603347192 305555857586 611111715172 1222223430344