22047795225 has 81 divisors (see below), whose sum is σ = 41758014909. Its totient is φ = 11118556800.

The previous prime is 22047795199. The next prime is 22047795271. The reversal of 22047795225 is 52259774022.

The square root of 22047795225 is 148485.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2767917321 + 19279877904 = 52611^2 + 138852^2 .

It is not a de Polignac number, because 22047795225 - 2¹¹ = 22047793177 is a prime.

It is a super-3 number, since 3×22047795225³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 42317965 + ... + 42318485.

Almost surely, 2^22047795225 is an apocalyptic number.

22047795225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22047795225 is the 148485-th square number.

22047795225 is the 74243-rd centered octagonal number.

It is an amenable number.

22047795225 is a deficient number, since it is larger than the sum of its proper divisors (19710219684).

22047795225 is an equidigital number, since it uses as much as digits as its factorization.

22047795225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 22047795225 in words is "twenty-two billion, forty-seven million, seven hundred ninety-five thousand, two hundred twenty-five".