422530899 has 32 divisors (see below), whose sum is σ = 687575040. Its totient is φ = 225590400.

The previous prime is 422530897. The next prime is 422530931. The reversal of 422530899 is 998035224.

It is not a de Polignac number, because 422530899 - 2¹ = 422530897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422530899.

It is not an unprimeable number, because it can be changed into a prime (422530897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7689 + ... + 30069.

It is an arithmetic number, because the mean of its divisors is an integer number (21486720).

Almost surely, 2^422530899 is an apocalyptic number.

422530899 is a deficient number, since it is larger than the sum of its proper divisors (265044141).

422530899 is a wasteful number, since it uses less digits than its factorization.

422530899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22451.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 422530899 is about 20555.5564021021. The cubic root of 422530899 is about 750.3884796322.

The spelling of 422530899 in words is "four hundred twenty-two million, five hundred thirty thousand, eight hundred ninety-nine".