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1223224032442 = 21523401583727
BaseRepresentation
bin10001110011001101110…
…101010111110010111010
311022221100120211012022011
4101303031311113302322
5130020130323014232
62333535200120134
7154242426502306
oct21631565276272
94287316735264
101223224032442
11431848093435
1217909b30604a
138b470bc6b39
14432c0a92d06
1521c43a00547
hex11ccdd57cba

1223224032442 has 8 divisors (see below), whose sum is σ = 1836040804416. Its totient is φ = 611210430972.

The previous prime is 1223224032419. The next prime is 1223224032461. The reversal of 1223224032442 is 2442304223221.

It is a happy number.

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

It is a super-4 number, since 4×12232240324424 (a number of 49 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200788818 + ... + 200794909.

It is an arithmetic number, because the mean of its divisors is an integer number (229505100552).

Almost surely, 21223224032442 is an apocalyptic number.

1223224032442 is a deficient number, since it is larger than the sum of its proper divisors (612816771974).

1223224032442 is a wasteful number, since it uses less digits than its factorization.

1223224032442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401585252.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 1223224032442 its reverse (2442304223221), we get a palindrome (3665528255663).

The spelling of 1223224032442 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-four million, thirty-two thousand, four hundred forty-two".

Divisors: 1 2 1523 3046 401583727 803167454 611612016221 1223224032442