22999361935225 has 81 divisors (see below), whose sum is σ = 31270351958613. Its totient is φ = 16773053806080.

The previous prime is 22999361935211. The next prime is 22999361935243. The reversal of 22999361935225 is 52253916399922.

The square root of 22999361935225 is 4795765.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 40 ways, for example, as 11432533727209 + 11566828208016 = 3381203^2 + 3401004^2 .

It is not a de Polignac number, because 22999361935225 - 2¹³ = 22999361927033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 27743500111 + ... + 27743500939.

Almost surely, 2^{22999361935225} is an apocalyptic number.

22999361935225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22999361935225 is the 4795765-th square number.

22999361935225 is the 2397883-rd centered octagonal number.

It is an amenable number.

22999361935225 is a deficient number, since it is larger than the sum of its proper divisors (8270990023388).

22999361935225 is an frugal number, since it uses more digits than its factorization.

22999361935225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872 (or 936 counting only the distinct ones).

The product of its digits is 141717600, while the sum is 67.

The spelling of 22999361935225 in words is "twenty-two trillion, nine hundred ninety-nine billion, three hundred sixty-one million, nine hundred thirty-five thousand, two hundred twenty-five".