461228772 has 12 divisors (see below), whose sum is σ = 1076200496. Its totient is φ = 153742920.

The previous prime is 461228771. The next prime is 461228773. The reversal of 461228772 is 277822164.

It is an interprime number because it is at equal distance from previous prime (461228771) and next prime (461228773).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 461228772.

It is not an unprimeable number, because it can be changed into a prime (461228771) 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, 19217854 + ... + 19217877.

Almost surely, 2^461228772 is an apocalyptic number.

It is an amenable number.

461228772 is an abundant number, since it is smaller than the sum of its proper divisors (614971724).

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

461228772 is a wasteful number, since it uses less digits than its factorization.

461228772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38435738 (or 38435736 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 461228772 is about 21476.2373799509. The cubic root of 461228772 is about 772.6310021754.

The spelling of 461228772 in words is "four hundred sixty-one million, two hundred twenty-eight thousand, seven hundred seventy-two".