22813407 has 10 divisors (see below), whose sum is σ = 34079408. Its totient is φ = 15208884.

The previous prime is 22813397. The next prime is 22813411. The reversal of 22813407 is 70431822.

It is not a de Polignac number, because 22813407 - 2⁷ = 22813279 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22813487) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 140743 + ... + 140904.

Almost surely, 2^22813407 is an apocalyptic number.

22813407 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22813407 is a deficient number, since it is larger than the sum of its proper divisors (11266001).

22813407 is an equidigital number, since it uses as much as digits as its factorization.

22813407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281659 (or 281650 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 22813407 is about 4776.3382417915. The cubic root of 22813407 is about 283.6155571579.

It can be divided in two parts, 22813 and 407, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 22813407 in words is "twenty-two million, eight hundred thirteen thousand, four hundred seven".