422586642 has 32 divisors (see below), whose sum is σ = 859449600. Its totient is φ = 138498048.

The previous prime is 422586641. The next prime is 422586683. The reversal of 422586642 is 246685224.

It is a self number, because there is not a number n which added to its sum of digits gives 422586642.

It is not an unprimeable number, because it can be changed into a prime (422586641) 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, 120084 + ... + 123552.

It is an arithmetic number, because the mean of its divisors is an integer number (26857800).

Almost surely, 2^422586642 is an apocalyptic number.

422586642 is an abundant number, since it is smaller than the sum of its proper divisors (436862958).

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

422586642 is a wasteful number, since it uses less digits than its factorization.

422586642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810.

The product of its digits is 184320, while the sum is 39.

The square root of 422586642 is about 20556.9122681399. The cubic root of 422586642 is about 750.4214768764.

The spelling of 422586642 in words is "four hundred twenty-two million, five hundred eighty-six thousand, six hundred forty-two".