22808022 has 32 divisors (see below), whose sum is σ = 46898784. Its totient is φ = 7392000.

The previous prime is 22808003. The next prime is 22808029. The reversal of 22808022 is 22080822.

It is a junction number, because it is equal to n+sod(n) for n = 22807983 and 22808001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22808029) 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, 36658 + ... + 37274.

It is an arithmetic number, because the mean of its divisors is an integer number (1465587).

Almost surely, 2^22808022 is an apocalyptic number.

22808022 is an abundant number, since it is smaller than the sum of its proper divisors (24090762).

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

22808022 is a wasteful number, since it uses less digits than its factorization.

22808022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 22808022 is about 4775.7744921635. The cubic root of 22808022 is about 283.5932400184.

Adding to 22808022 its reverse (22080822), we get a palindrome (44888844).

The spelling of 22808022 in words is "twenty-two million, eight hundred eight thousand, twenty-two".