22012924 has 12 divisors (see below), whose sum is σ = 38606400. Its totient is φ = 10982528.

The previous prime is 22012901. The next prime is 22012927. The reversal of 22012924 is 42921022.

It is a junction number, because it is equal to n+sod(n) for n = 22012895 and 22012904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3829 + ... + 7660.

It is an arithmetic number, because the mean of its divisors is an integer number (3217200).

Almost surely, 2^22012924 is an apocalyptic number.

It is an amenable number.

22012924 is a deficient number, since it is larger than the sum of its proper divisors (16593476).

22012924 is a wasteful number, since it uses less digits than its factorization.

22012924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11972 (or 11970 counting only the distinct ones).

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

The square root of 22012924 is about 4691.7932605775. The cubic root of 22012924 is about 280.2587913494.

Adding to 22012924 its reverse (42921022), we get a palindrome (64933946).

The spelling of 22012924 in words is "twenty-two million, twelve thousand, nine hundred twenty-four".