22220924 has 36 divisors (see below), whose sum is σ = 44151744. Its totient is φ = 9768000.

The previous prime is 22220917. The next prime is 22220927. The reversal of 22220924 is 42902222.

It is a self number, because there is not a number n which added to its sum of digits gives 22220924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220927) 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, 14264 + ... + 15744.

Almost surely, 2^22220924 is an apocalyptic number.

It is an amenable number.

22220924 is a deficient number, since it is larger than the sum of its proper divisors (21930820).

22220924 is a wasteful number, since it uses less digits than its factorization.

22220924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 1525 counting only the distinct ones).

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

The square root of 22220924 is about 4713.9075086387. The cubic root of 22220924 is about 281.1387468455.

The spelling of 22220924 in words is "twenty-two million, two hundred twenty thousand, nine hundred twenty-four".