22196025 has 60 divisors (see below), whose sum is σ = 41906172. Its totient is φ = 11612160.

The previous prime is 22196017. The next prime is 22196039. The reversal of 22196025 is 52069122.

It can be written as a sum of positive squares in 6 ways, for example, as 4981824 + 17214201 = 2232^2 + 4149^2 .

It is not a de Polignac number, because 22196025 - 2³ = 22196017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 22196025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 196369 + ... + 196481.

Almost surely, 2^22196025 is an apocalyptic number.

22196025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22196025 is a deficient number, since it is larger than the sum of its proper divisors (19710147).

22196025 is a wasteful number, since it uses less digits than its factorization.

22196025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 22196025 is about 4711.2657534892. The cubic root of 22196025 is about 281.0337003607.

The spelling of 22196025 in words is "twenty-two million, one hundred ninety-six thousand, twenty-five".