22914220 has 24 divisors (see below), whose sum is σ = 54994464. Its totient is φ = 7856256.

The previous prime is 22914217. The next prime is 22914257. The reversal of 22914220 is 2241922.

It is a super-2 number, since 2×22914220² = 1050122956416800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22914191 and 22914200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81697 + ... + 81976.

It is an arithmetic number, because the mean of its divisors is an integer number (2291436).

Almost surely, 2^22914220 is an apocalyptic number.

22914220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22914220 is an abundant number, since it is smaller than the sum of its proper divisors (32080244).

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

22914220 is a wasteful number, since it uses less digits than its factorization.

22914220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163689 (or 163687 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22914220 is about 4786.8799859616. The cubic root of 22914220 is about 284.0327113019.

The spelling of 22914220 in words is "twenty-two million, nine hundred fourteen thousand, two hundred twenty".