421164522 has 40 divisors (see below), whose sum is σ = 945495936. Its totient is φ = 140124168.

The previous prime is 421164503. The next prime is 421164539. The reversal of 421164522 is 225461124.

421164522 is a `hidden beast` number, since 4 + 2 + 11 + 645 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 96193 + ... + 100475.

Almost surely, 2^421164522 is an apocalyptic number.

421164522 is an abundant number, since it is smaller than the sum of its proper divisors (524331414).

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

421164522 is a wasteful number, since it uses less digits than its factorization.

421164522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904 (or 4895 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 421164522 is about 20522.2932929047. The cubic root of 421164522 is about 749.5787394303.

The spelling of 421164522 in words is "four hundred twenty-one million, one hundred sixty-four thousand, five hundred twenty-two".