22475222 has 24 divisors (see below), whose sum is σ = 42784200. Its totient is φ = 8756160.

The previous prime is 22475183. The next prime is 22475237. The reversal of 22475222 is 22257422.

It is a junction number, because it is equal to n+sod(n) for n = 22475191 and 22475200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9347 + ... + 11502.

It is an arithmetic number, because the mean of its divisors is an integer number (1782675).

Almost surely, 2^22475222 is an apocalyptic number.

22475222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22475222 is a deficient number, since it is larger than the sum of its proper divisors (20308978).

22475222 is a wasteful number, since it uses less digits than its factorization.

22475222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20876 (or 20869 counting only the distinct ones).

The product of its digits is 4480, while the sum is 26.

The square root of 22475222 is about 4740.8039402616. The cubic root of 22475222 is about 282.2071395301.

The spelling of 22475222 in words is "twenty-two million, four hundred seventy-five thousand, two hundred twenty-two".