22632420 has 48 divisors (see below), whose sum is σ = 66709440. Its totient is φ = 5717376.

The previous prime is 22632377. The next prime is 22632443. The reversal of 22632420 is 2423622.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8787 + ... + 11066.

It is an arithmetic number, because the mean of its divisors is an integer number (1389780).

Almost surely, 2^22632420 is an apocalyptic number.

22632420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22632420 is an abundant number, since it is smaller than the sum of its proper divisors (44077020).

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

22632420 is a wasteful number, since it uses less digits than its factorization.

22632420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19884 (or 19882 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 22632420 is about 4757.3543067550. The cubic root of 22632420 is about 282.8635567802.

The spelling of 22632420 in words is "twenty-two million, six hundred thirty-two thousand, four hundred twenty".