2222645320564 has 12 divisors (see below), whose sum is σ = 4058743629024. Its totient is φ = 1063004283704.

The previous prime is 2222645320561. The next prime is 2222645320573. The reversal of 2222645320564 is 4650235462222.

It is a self number, because there is not a number n which added to its sum of digits gives 2222645320564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222645320561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12079594042 + ... + 12079594225.

It is an arithmetic number, because the mean of its divisors is an integer number (338228635752).

Almost surely, 2^{2222645320564} is an apocalyptic number.

It is an amenable number.

2222645320564 is a deficient number, since it is larger than the sum of its proper divisors (1836098308460).

2222645320564 is a wasteful number, since it uses less digits than its factorization.

2222645320564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24159188294 (or 24159188292 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 2222645320564 in words is "two trillion, two hundred twenty-two billion, six hundred forty-five million, three hundred twenty thousand, five hundred sixty-four".