22564132330225 has 12 divisors (see below), whose sum is σ = 27979747775280. Its totient is φ = 18051161550800.

The previous prime is 22564132330123. The next prime is 22564132330309. The reversal of 22564132330225 is 52203323146522.

It is not a de Polignac number, because 22564132330225 - 2⁷ = 22564132330097 is a prime.

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, 360895 + ... + 6727444.

It is an arithmetic number, because the mean of its divisors is an integer number (2331645647940).

Almost surely, 2^{22564132330225} is an apocalyptic number.

22564132330225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22564132330225 is a deficient number, since it is larger than the sum of its proper divisors (5415615445055).

22564132330225 is a wasteful number, since it uses less digits than its factorization.

22564132330225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215680 (or 7215675 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 22564132330225 its reverse (52203323146522), we get a palindrome (74767455476747).

The spelling of 22564132330225 in words is "twenty-two trillion, five hundred sixty-four billion, one hundred thirty-two million, three hundred thirty thousand, two hundred twenty-five".