422525444 has 48 divisors (see below), whose sum is σ = 823689216. Its totient is φ = 188042400.

The previous prime is 422525431. The next prime is 422525461. The reversal of 422525444 is 444525224.

It is a self number, because there is not a number n which added to its sum of digits gives 422525444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463349 + ... + 464259.

It is an arithmetic number, because the mean of its divisors is an integer number (17160192).

Almost surely, 2^422525444 is an apocalyptic number.

422525444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

422525444 is a deficient number, since it is larger than the sum of its proper divisors (401163772).

422525444 is a wasteful number, since it uses less digits than its factorization.

422525444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 1134 counting only the distinct ones).

The product of its digits is 51200, while the sum is 32.

The square root of 422525444 is about 20555.4237124901. The cubic root of 422525444 is about 750.3852503719.

The spelling of 422525444 in words is "four hundred twenty-two million, five hundred twenty-five thousand, four hundred forty-four".