22564123240164 has 48 divisors (see below), whose sum is σ = 58127949492480. Its totient is φ = 6755232219040.

The previous prime is 22564123240157. The next prime is 22564123240199. The reversal of 22564123240164 is 46104232146522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029750054 + ... + 1029771965.

It is an arithmetic number, because the mean of its divisors is an integer number (1210998947760).

Almost surely, 2^{22564123240164} is an apocalyptic number.

It is an amenable number.

22564123240164 is an abundant number, since it is smaller than the sum of its proper divisors (35563826252316).

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

22564123240164 is a wasteful number, since it uses less digits than its factorization.

22564123240164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059522120 (or 2059522118 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

Adding to 22564123240164 its reverse (46104232146522), we get a palindrome (68668355386686).

The spelling of 22564123240164 in words is "twenty-two trillion, five hundred sixty-four billion, one hundred twenty-three million, two hundred forty thousand, one hundred sixty-four".