422555460 has 48 divisors (see below), whose sum is σ = 1185136512. Its totient is φ = 112492800.

The previous prime is 422555447. The next prime is 422555461. The reversal of 422555460 is 64555224.

It is not an unprimeable number, because it can be changed into a prime (422555461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32280 + ... + 43440.

It is an arithmetic number, because the mean of its divisors is an integer number (24690344).

Almost surely, 2^422555460 is an apocalyptic number.

It is an amenable number.

422555460 is an abundant number, since it is smaller than the sum of its proper divisors (762581052).

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

422555460 is a wasteful number, since it uses less digits than its factorization.

422555460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11804 (or 11802 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 422555460 is about 20556.1538231256. The cubic root of 422555460 is about 750.4030189511.

It can be divided in two parts, 4225 and 55460, that added together give a triangular number (59685 = T₃₄₅).

The spelling of 422555460 in words is "four hundred twenty-two million, five hundred fifty-five thousand, four hundred sixty".