422558250 has 32 divisors (see below), whose sum is σ = 1054707264. Its totient is φ = 112682000.

The previous prime is 422558243. The next prime is 422558251. The reversal of 422558250 is 52855224.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (422558251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280956 + ... + 282455.

It is an arithmetic number, because the mean of its divisors is an integer number (32959602).

Almost surely, 2^422558250 is an apocalyptic number.

422558250 is an abundant number, since it is smaller than the sum of its proper divisors (632149014).

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

422558250 is a wasteful number, since it uses less digits than its factorization.

422558250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563431 (or 563421 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 422558250 is about 20556.2216859033. The cubic root of 422558250 is about 750.4046705053.

It can be divided in two parts, 42255 and 8250, that added together give a palindrome (50505).

The spelling of 422558250 in words is "four hundred twenty-two million, five hundred fifty-eight thousand, two hundred fifty".