22923222 has 16 divisors (see below), whose sum is σ = 52396032. Its totient is φ = 6549480.

The previous prime is 22923217. The next prime is 22923233. The reversal of 22923222 is 22232922.

It is a super-2 number, since 2×22923222² = 1050948213722568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22923192 and 22923201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272854 + ... + 272937.

It is an arithmetic number, because the mean of its divisors is an integer number (3274752).

Almost surely, 2^22923222 is an apocalyptic number.

22923222 is an abundant number, since it is smaller than the sum of its proper divisors (29472810).

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

22923222 is a wasteful number, since it uses less digits than its factorization.

22923222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545803.

The product of its digits is 1728, while the sum is 24.

The square root of 22923222 is about 4787.8201720616. The cubic root of 22923222 is about 284.0699011301.

The spelling of 22923222 in words is "twenty-two million, nine hundred twenty-three thousand, two hundred twenty-two".