22265685 has 40 divisors (see below), whose sum is σ = 42993720. Its totient is φ = 10958976.

The previous prime is 22265669. The next prime is 22265693. The reversal of 22265685 is 58656222.

It can be written as a sum of positive squares in 4 ways, for example, as 4901796 + 17363889 = 2214^2 + 4167^2 .

It is not a de Polignac number, because 22265685 - 2⁴ = 22265669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3151 + ... + 7379.

It is an arithmetic number, because the mean of its divisors is an integer number (1074843).

Almost surely, 2^22265685 is an apocalyptic number.

It is an amenable number.

22265685 is a deficient number, since it is larger than the sum of its proper divisors (20728035).

22265685 is a wasteful number, since it uses less digits than its factorization.

22265685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259 (or 4250 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 22265685 is about 4718.6528797952. The cubic root of 22265685 is about 281.3273920353.

The spelling of 22265685 in words is "twenty-two million, two hundred sixty-five thousand, six hundred eighty-five".