422624220 has 48 divisors (see below), whose sum is σ = 1245632640. Its totient is φ = 106767936.

The previous prime is 422624219. The next prime is 422624261. The reversal of 422624220 is 22426224.

It is a super-2 number, since 2×422624220² = 357222462661216800, which contains 22 as substring.

It is a congruent number.

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, 184222 + ... + 186501.

It is an arithmetic number, because the mean of its divisors is an integer number (25950680).

Almost surely, 2^422624220 is an apocalyptic number.

It is an amenable number.

422624220 is an abundant number, since it is smaller than the sum of its proper divisors (823008420).

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

422624220 is a wasteful number, since it uses less digits than its factorization.

422624220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370754 (or 370752 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 422624220 is about 20557.8262469552. The cubic root of 422624220 is about 750.4437196543.

It can be divided in two parts, 42 and 2624220, that added together give a palindrome (2624262).

The spelling of 422624220 in words is "four hundred twenty-two million, six hundred twenty-four thousand, two hundred twenty".