422645100 has 36 divisors (see below), whose sum is σ = 1222854024. Its totient is φ = 112705280.

The previous prime is 422645089. The next prime is 422645123. The reversal of 422645100 is 1546224.

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 11 ways as a sum of consecutive naturals, for example, 704109 + ... + 704708.

Almost surely, 2^422645100 is an apocalyptic number.

It is an amenable number.

422645100 is an abundant number, since it is smaller than the sum of its proper divisors (800208924).

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

422645100 is a wasteful number, since it uses less digits than its factorization.

422645100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408834 (or 1408827 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 422645100 is about 20558.3340764761. The cubic root of 422645100 is about 750.4560781563.

The spelling of 422645100 in words is "four hundred twenty-two million, six hundred forty-five thousand, one hundred".