22808838 has 32 divisors (see below), whose sum is σ = 49416192. Its totient is φ = 6976800.

The previous prime is 22808827. The next prime is 22808843. The reversal of 22808838 is 83880822.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 22808796 and 22808805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14133 + ... + 15663.

It is an arithmetic number, because the mean of its divisors is an integer number (1544256).

Almost surely, 2^22808838 is an apocalyptic number.

22808838 is an abundant number, since it is smaller than the sum of its proper divisors (26607354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22808838 is a wasteful number, since it uses less digits than its factorization.

22808838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740.

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 22808838 is about 4775.8599225689. The cubic root of 22808838 is about 283.5966220057.

The spelling of 22808838 in words is "twenty-two million, eight hundred eight thousand, eight hundred thirty-eight".