22870813 has 16 divisors (see below), whose sum is σ = 27648000. Its totient is φ = 18481392.

The previous prime is 22870807. The next prime is 22870823. The reversal of 22870813 is 31807822.

It is a cyclic number.

It is not a de Polignac number, because 22870813 - 2⁵ = 22870781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22870823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47508 + ... + 47986.

It is an arithmetic number, because the mean of its divisors is an integer number (1728000).

Almost surely, 2^22870813 is an apocalyptic number.

It is an amenable number.

22870813 is a deficient number, since it is larger than the sum of its proper divisors (4777187).

22870813 is a wasteful number, since it uses less digits than its factorization.

22870813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 22870813 is about 4782.3438814038. The cubic root of 22870813 is about 283.8532477613.

The spelling of 22870813 in words is "twenty-two million, eight hundred seventy thousand, eight hundred thirteen".