422208136 has 16 divisors (see below), whose sum is σ = 904731840. Its totient is φ = 180946320.

The previous prime is 422208113. The next prime is 422208161. The reversal of 422208136 is 631802224.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3769660 + ... + 3769771.

It is an arithmetic number, because the mean of its divisors is an integer number (56545740).

Almost surely, 2^422208136 is an apocalyptic number.

It is an amenable number.

422208136 is an abundant number, since it is smaller than the sum of its proper divisors (482523704).

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

422208136 is a wasteful number, since it uses less digits than its factorization.

422208136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539444 (or 7539440 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 422208136 is about 20547.7039106563. The cubic root of 422208136 is about 750.1973619857.

The spelling of 422208136 in words is "four hundred twenty-two million, two hundred eight thousand, one hundred thirty-six".