632772220 has 12 divisors (see below), whose sum is σ = 1328821704. Its totient is φ = 253108880.

The previous prime is 632772209. The next prime is 632772221. The reversal of 632772220 is 22277236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632772221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15819286 + ... + 15819325.

It is an arithmetic number, because the mean of its divisors is an integer number (110735142).

Almost surely, 2^632772220 is an apocalyptic number.

It is an amenable number.

632772220 is an abundant number, since it is smaller than the sum of its proper divisors (696049484).

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

632772220 is a wasteful number, since it uses less digits than its factorization.

632772220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31638620 (or 31638618 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 632772220 is about 25154.9641224153. The cubic root of 632772220 is about 858.5174655918.

The spelling of 632772220 in words is "six hundred thirty-two million, seven hundred seventy-two thousand, two hundred twenty".