22765274506257 has 16 divisors (see below), whose sum is σ = 31538706315840. Its totient is φ = 14588957106752.

The previous prime is 22765274506243. The next prime is 22765274506277. The reversal of 22765274506257 is 75260547256722.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22765274506257 - 2¹⁹ = 22765273981969 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 22765274506257.

It is not an unprimeable number, because it can be changed into a prime (22765274506277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576345498 + ... + 576384995.

It is an arithmetic number, because the mean of its divisors is an integer number (1971169144740).

Almost surely, 2^{22765274506257} is an apocalyptic number.

It is an amenable number.

22765274506257 is a deficient number, since it is larger than the sum of its proper divisors (8773431809583).

22765274506257 is a wasteful number, since it uses less digits than its factorization.

22765274506257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152730752.

The product of its (nonzero) digits is 98784000, while the sum is 60.

The spelling of 22765274506257 in words is "twenty-two trillion, seven hundred sixty-five billion, two hundred seventy-four million, five hundred six thousand, two hundred fifty-seven".