393122272 has 24 divisors (see below), whose sum is σ = 774597600. Its totient is φ = 196399104.

The previous prime is 393122269. The next prime is 393122273. The reversal of 393122272 is 272221393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393122273) 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, 40729 + ... + 49447.

It is an arithmetic number, because the mean of its divisors is an integer number (32274900).

Almost surely, 2^393122272 is an apocalyptic number.

393122272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

393122272 is a deficient number, since it is larger than the sum of its proper divisors (381475328).

393122272 is a wasteful number, since it uses less digits than its factorization.

393122272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10138 (or 10130 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 393122272 is about 19827.3112650203. The cubic root of 393122272 is about 732.5589010944.

The spelling of 393122272 in words is "three hundred ninety-three million, one hundred twenty-two thousand, two hundred seventy-two".