312242272 has 24 divisors (see below), whose sum is σ = 620373600. Its totient is φ = 154687104.

The previous prime is 312242263. The next prime is 312242339. The reversal of 312242272 is 272242213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41272 + ... + 48247.

It is an arithmetic number, because the mean of its divisors is an integer number (25848900).

Almost surely, 2^312242272 is an apocalyptic number.

312242272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312242272 is a deficient number, since it is larger than the sum of its proper divisors (308131328).

312242272 is a wasteful number, since it uses less digits than its factorization.

312242272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89638 (or 89630 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 312242272 is about 17670.3783773863. The cubic root of 312242272 is about 678.4177977931.

Adding to 312242272 its reverse (272242213), we get a palindrome (584484485).

The spelling of 312242272 in words is "three hundred twelve million, two hundred forty-two thousand, two hundred seventy-two".