312233332 has 6 divisors (see below), whose sum is σ = 546408338. Its totient is φ = 156116664.

The previous prime is 312233309. The next prime is 312233371. The reversal of 312233332 is 233332213.

It can be written as a sum of positive squares in only one way, i.e., 302272996 + 9960336 = 17386^2 + 3156^2 .

It is a super-2 number, since 2×312233332² = 194979307223644448, 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 as a sum of consecutive naturals, namely, 39029163 + ... + 39029170.

Almost surely, 2^312233332 is an apocalyptic number.

It is an amenable number.

312233332 is a deficient number, since it is larger than the sum of its proper divisors (234175006).

312233332 is a wasteful number, since it uses less digits than its factorization.

312233332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78058337 (or 78058335 counting only the distinct ones).

The product of its digits is 1944, while the sum is 22.

The square root of 312233332 is about 17670.1254098549. The cubic root of 312233332 is about 678.4113229993.

Adding to 312233332 its reverse (233332213), we get a palindrome (545565545).

The spelling of 312233332 in words is "three hundred twelve million, two hundred thirty-three thousand, three hundred thirty-two".