422450556 has 24 divisors (see below), whose sum is σ = 1075329024. Its totient is φ = 128015280.

The previous prime is 422450521. The next prime is 422450563. The reversal of 422450556 is 655054224.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent 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, 1600060 + ... + 1600323.

It is an arithmetic number, because the mean of its divisors is an integer number (44805376).

Almost surely, 2^422450556 is an apocalyptic number.

It is an amenable number.

422450556 is an abundant number, since it is smaller than the sum of its proper divisors (652878468).

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

422450556 is a wasteful number, since it uses less digits than its factorization.

422450556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200401 (or 3200399 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 422450556 is about 20553.6020200840. The cubic root of 422450556 is about 750.3409152345.

The spelling of 422450556 in words is "four hundred twenty-two million, four hundred fifty thousand, five hundred fifty-six".