22056725 has 12 divisors (see below), whose sum is σ = 27569664. Its totient is φ = 17503920.

The previous prime is 22056673. The next prime is 22056743. The reversal of 22056725 is 52765022.

It is not a de Polignac number, because 22056725 - 2¹⁰ = 22055701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 299 + ... + 6648.

It is an arithmetic number, because the mean of its divisors is an integer number (2297472).

Almost surely, 2^22056725 is an apocalyptic number.

22056725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22056725 is a deficient number, since it is larger than the sum of its proper divisors (5512939).

22056725 is a wasteful number, since it uses less digits than its factorization.

22056725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084 (or 7079 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 22056725 is about 4696.4587723092. The cubic root of 22056725 is about 280.4445531676. Note that the first 3 decimals are identical.

The spelling of 22056725 in words is "twenty-two million, fifty-six thousand, seven hundred twenty-five".