462722240 has 28 divisors (see below), whose sum is σ = 1101858096. Its totient is φ = 185088768.

The previous prime is 462722207. The next prime is 462722251. The reversal of 462722240 is 42227264.

It is a happy number.

It is a super-2 number, since 2×462722240² = 428223742781235200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 722684 + ... + 723323.

Almost surely, 2^462722240 is an apocalyptic number.

462722240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

462722240 is an abundant number, since it is smaller than the sum of its proper divisors (639135856).

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

462722240 is a wasteful number, since it uses less digits than its factorization.

462722240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446024 (or 1446014 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 462722240 is about 21510.9795220952. The cubic root of 462722240 is about 773.4640352478.

The spelling of 462722240 in words is "four hundred sixty-two million, seven hundred twenty-two thousand, two hundred forty".