22315663332564 has 48 divisors (see below), whose sum is σ = 59510876006400. Its totient is φ = 6375642332256.

The previous prime is 22315663332563. The next prime is 22315663332587. The reversal of 22315663332564 is 46523336651322.

It is a super-3 number, since 3×22315663332564³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22315663332563) 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, 3382344 + ... + 7488095.

It is an arithmetic number, because the mean of its divisors is an integer number (1239809916800).

Almost surely, 2^{22315663332564} is an apocalyptic number.

It is an amenable number.

22315663332564 is an abundant number, since it is smaller than the sum of its proper divisors (37195212673836).

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

22315663332564 is a wasteful number, since it uses less digits than its factorization.

22315663332564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10894892 (or 10894890 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 51.

Adding to 22315663332564 its reverse (46523336651322), we get a palindrome (68838999983886).

The spelling of 22315663332564 in words is "twenty-two trillion, three hundred fifteen billion, six hundred sixty-three million, three hundred thirty-two thousand, five hundred sixty-four".