22125892 has 6 divisors (see below), whose sum is σ = 38720318. Its totient is φ = 11062944.

The previous prime is 22125877. The next prime is 22125893. The reversal of 22125892 is 29852122.

It can be written as a sum of positive squares in only one way, i.e., 18181696 + 3944196 = 4264^2 + 1986^2 .

It is not an unprimeable number, because it can be changed into a prime (22125893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765733 + ... + 2765740.

Almost surely, 2^22125892 is an apocalyptic number.

It is an amenable number.

22125892 is a deficient number, since it is larger than the sum of its proper divisors (16594426).

22125892 is a wasteful number, since it uses less digits than its factorization.

22125892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5531477 (or 5531475 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 22125892 is about 4703.8167481312. The cubic root of 22125892 is about 280.7373930709.

The spelling of 22125892 in words is "twenty-two million, one hundred twenty-five thousand, eight hundred ninety-two".