22856947439236 has 27 divisors (see below), whose sum is σ = 42216041100261. Its totient is φ = 10826889046704.

The previous prime is 22856947439231. The next prime is 22856947439317. The reversal of 22856947439236 is 63293474965822.

The square root of 22856947439236 is 4780894.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 226528402500 + 22630419036736 = 475950^2 + 4757144^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22856947439231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 181611066 + ... + 181736878.

Almost surely, 2^{22856947439236} is an apocalyptic number.

22856947439236 is the 4780894-th square number.

It is an amenable number.

22856947439236 is a deficient number, since it is larger than the sum of its proper divisors (19359093661025).

22856947439236 is an frugal number, since it uses more digits than its factorization.

22856947439236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251668 (or 125834 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 70.

The spelling of 22856947439236 in words is "twenty-two trillion, eight hundred fifty-six billion, nine hundred forty-seven million, four hundred thirty-nine thousand, two hundred thirty-six".