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1222222202202 = 23203703700367
BaseRepresentation
bin10001110010010010000…
…111101100010101011010
311022211202202200221120110
4101302102013230111122
5130011102340432302
62333251531305150
7154205543206401
oct21622207542532
94284682627513
101222222202202
1143138362a561
12178a5b8ab1b6
138b341498891
14432279ca638
1521bd5aabb6c
hex11c921ec55a

1222222202202 has 8 divisors (see below), whose sum is σ = 2444444404416. Its totient is φ = 407407400732.

The previous prime is 1222222202177. The next prime is 1222222202231. The reversal of 1222222202202 is 2022022222221.

It is a sphenic number, since it is the product of 3 distinct primes.

1222222202202 is an admirable number.

It is a super-2 number, since 2×12222222022022 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101851850178 + ... + 101851850189.

It is an arithmetic number, because the mean of its divisors is an integer number (305555550552).

Almost surely, 21222222202202 is an apocalyptic number.

1222222202202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1222222202202 is a wasteful number, since it uses less digits than its factorization.

1222222202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203703700372.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 1222222202202 its reverse (2022022222221), we get a palindrome (3244244424423).

The spelling of 1222222202202 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred two thousand, two hundred two".

Divisors: 1 2 3 6 203703700367 407407400734 611111101101 1222222202202