420566322 has 16 divisors (see below), whose sum is σ = 917599392. Its totient is φ = 127444320.

The previous prime is 420566297. The next prime is 420566353. The reversal of 420566322 is 223665024.

It is a self number, because there is not a number n which added to its sum of digits gives 420566322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3186043 + ... + 3186174.

It is an arithmetic number, because the mean of its divisors is an integer number (57349962).

Almost surely, 2^420566322 is an apocalyptic number.

420566322 is an abundant number, since it is smaller than the sum of its proper divisors (497033070).

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

420566322 is a wasteful number, since it uses less digits than its factorization.

420566322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372233.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 420566322 is about 20507.7137194764. The cubic root of 420566322 is about 749.2236838326.

The spelling of 420566322 in words is "four hundred twenty million, five hundred sixty-six thousand, three hundred twenty-two".