22064156225 has 12 divisors (see below), whose sum is σ = 28242120960. Its totient is φ = 17081926800.

The previous prime is 22064156207. The next prime is 22064156237. The reversal of 22064156225 is 52265146022.

It is not a de Polignac number, because 22064156225 - 2¹² = 22064152129 is a prime.

It is a Curzon number.

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, 14234165 + ... + 14235714.

It is an arithmetic number, because the mean of its divisors is an integer number (2353510080).

Almost surely, 2^22064156225 is an apocalyptic number.

22064156225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22064156225 is a deficient number, since it is larger than the sum of its proper divisors (6177964735).

22064156225 is a wasteful number, since it uses less digits than its factorization.

22064156225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28469920 (or 28469915 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 22064156225 in words is "twenty-two billion, sixty-four million, one hundred fifty-six thousand, two hundred twenty-five".