22564123312255 has 12 divisors (see below), whose sum is σ = 31497674175000. Its totient is φ = 15472541699664.

The previous prime is 22564123312231. The next prime is 22564123312273. The reversal of 22564123312255 is 55221332146522.

It is a happy number.

It is not a de Polignac number, because 22564123312255 - 2⁷ = 22564123312127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46049231005 + ... + 46049231494.

It is an arithmetic number, because the mean of its divisors is an integer number (2624806181250).

Almost surely, 2^{22564123312255} is an apocalyptic number.

22564123312255 is a deficient number, since it is larger than the sum of its proper divisors (8933550862745).

22564123312255 is an equidigital number, since it uses as much as digits as its factorization.

22564123312255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92098462518 (or 92098462511 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

Adding to 22564123312255 its reverse (55221332146522), we get a palindrome (77785455458777).

The spelling of 22564123312255 in words is "twenty-two trillion, five hundred sixty-four billion, one hundred twenty-three million, three hundred twelve thousand, two hundred fifty-five".