22610745 has 20 divisors (see below), whose sum is σ = 40532580. Its totient is φ = 12058848.

The previous prime is 22610729. The next prime is 22610759. The reversal of 22610745 is 54701622.

22610745 is a `hidden beast` number, since 2 + 2 + 610 + 7 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8928144 + 13682601 = 2988^2 + 3699^2 .

It is not a de Polignac number, because 22610745 - 2⁴ = 22610729 is a prime.

It is a super-2 number, since 2×22610745² = 1022491578910050, which contains 22 as substring.

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

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 19 ways as a sum of consecutive naturals, for example, 27510 + ... + 28319.

It is an arithmetic number, because the mean of its divisors is an integer number (2026629).

Almost surely, 2^22610745 is an apocalyptic number.

It is an amenable number.

22610745 is a deficient number, since it is larger than the sum of its proper divisors (17921835).

22610745 is an equidigital number, since it uses as much as digits as its factorization.

22610745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55846 (or 55837 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 22610745 is about 4755.0757091765. The cubic root of 22610745 is about 282.7732287483.

The spelling of 22610745 in words is "twenty-two million, six hundred ten thousand, seven hundred forty-five".