22024040 has 32 divisors (see below), whose sum is σ = 52164000. Its totient is φ = 8345664.

The previous prime is 22024031. The next prime is 22024073. The reversal of 22024040 is 4042022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13730 + ... + 15249.

It is an arithmetic number, because the mean of its divisors is an integer number (1630125).

Almost surely, 2^22024040 is an apocalyptic number.

22024040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22024040 is an abundant number, since it is smaller than the sum of its proper divisors (30139960).

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

22024040 is a wasteful number, since it uses less digits than its factorization.

22024040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29009 (or 29005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22024040 is about 4692.9777327407. The cubic root of 22024040 is about 280.3059580726.

Adding to 22024040 its reverse (4042022), we get a palindrome (26066062).

The spelling of 22024040 in words is "twenty-two million, twenty-four thousand, forty".