382231772 has 12 divisors (see below), whose sum is σ = 720359976. Its totient is φ = 176414640.

The previous prime is 382231769. The next prime is 382231819. The reversal of 382231772 is 277132283.

It is a happy number.

It is a super-2 number, since 2×382231772² = 292202255052519968, which contains 22 as substring.

It is a congruent number.

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, 3675254 + ... + 3675357.

It is an arithmetic number, because the mean of its divisors is an integer number (60029998).

Almost surely, 2^382231772 is an apocalyptic number.

It is an amenable number.

382231772 is a deficient number, since it is larger than the sum of its proper divisors (338128204).

382231772 is a wasteful number, since it uses less digits than its factorization.

382231772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350628 (or 7350626 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 382231772 is about 19550.7486301676. The cubic root of 382231772 is about 725.7308663017.

The spelling of 382231772 in words is "three hundred eighty-two million, two hundred thirty-one thousand, seven hundred seventy-two".