22333808025 has 117 divisors (see below), whose sum is σ = 42578760493. Its totient is φ = 11620843200.

The previous prime is 22333808017. The next prime is 22333808027. The reversal of 22333808025 is 52080833322.

It is a happy number.

The square root of 22333808025 is 149445.

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

22333808025 is a `hidden beast` number, since 223 + 338 + 0 + 80 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9400659849 + 12933148176 = 96957^2 + 113724^2 .

It is not a de Polignac number, because 22333808025 - 2³ = 22333808017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22333808027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 116 ways as a sum of consecutive naturals, for example, 544727005 + ... + 544727045.

Almost surely, 2^22333808025 is an apocalyptic number.

22333808025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22333808025 is the 149445-th square number.

22333808025 is the 74723-rd centered octagonal number.

It is an amenable number.

22333808025 is a deficient number, since it is larger than the sum of its proper divisors (20244952468).

22333808025 is an frugal number, since it uses more digits than its factorization.

22333808025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Multiplying 22333808025 by its sum of digits (36), we get a square (804017088900 = 896670²).

The spelling of 22333808025 in words is "twenty-two billion, three hundred thirty-three million, eight hundred eight thousand, twenty-five".