22124660 has 12 divisors (see below), whose sum is σ = 46461828. Its totient is φ = 8849856.

The previous prime is 22124653. The next prime is 22124677. The reversal of 22124660 is 6642122.

It can be written as a sum of positive squares in 2 ways, for example, as 13853284 + 8271376 = 3722^2 + 2876^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 553097 + ... + 553136.

It is an arithmetic number, because the mean of its divisors is an integer number (3871819).

Almost surely, 2^22124660 is an apocalyptic number.

22124660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22124660 is an abundant number, since it is smaller than the sum of its proper divisors (24337168).

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

22124660 is a wasteful number, since it uses less digits than its factorization.

22124660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106242 (or 1106240 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22124660 is about 4703.6857888256. The cubic root of 22124660 is about 280.7321823599.

Adding to 22124660 its reverse (6642122), we get a palindrome (28766782).

The spelling of 22124660 in words is "twenty-two million, one hundred twenty-four thousand, six hundred sixty".