422665960 has 16 divisors (see below), whose sum is σ = 950998500. Its totient is φ = 169066368.

The previous prime is 422665933. The next prime is 422665973. The reversal of 422665960 is 69566224.

It can be written as a sum of positive squares in 2 ways, for example, as 422631364 + 34596 = 20558^2 + 186^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 10566649 = 422665960 / (4 + 2 + 2 + 6 + 6 + 5 + 9 + 6 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5283285 + ... + 5283364.

Almost surely, 2^422665960 is an apocalyptic number.

422665960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422665960 is an abundant number, since it is smaller than the sum of its proper divisors (528332540).

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

422665960 is a wasteful number, since it uses less digits than its factorization.

422665960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10566660 (or 10566656 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 422665960 is about 20558.8414070443. The cubic root of 422665960 is about 750.4684244142.

The spelling of 422665960 in words is "four hundred twenty-two million, six hundred sixty-five thousand, nine hundred sixty".