22886920 has 48 divisors (see below), whose sum is σ = 59908140. Its totient is φ = 7846272.

The previous prime is 22886917. The next prime is 22886923. The reversal of 22886920 is 2968822.

It is an interprime number because it is at equal distance from previous prime (22886917) and next prime (22886923).

It can be written as a sum of positive squares in 2 ways, for example, as 22524516 + 362404 = 4746^2 + 602^2 .

It is a super-2 number, since 2×22886920² = 1047622214172800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22886920.

It is not an unprimeable number, because it can be changed into a prime (22886923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3879 + ... + 7798.

Almost surely, 2^22886920 is an apocalyptic number.

22886920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22886920 is an abundant number, since it is smaller than the sum of its proper divisors (37021220).

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

22886920 is a wasteful number, since it uses less digits than its factorization.

22886920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11702 (or 11691 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 22886920 is about 4784.0275918937. The cubic root of 22886920 is about 283.9198676257.

The spelling of 22886920 in words is "twenty-two million, eight hundred eighty-six thousand, nine hundred twenty".