312422152 has 32 divisors (see below), whose sum is σ = 678913920. Its totient is φ = 132007680.

The previous prime is 312422147. The next prime is 312422153. The reversal of 312422152 is 251224213.

It is a happy number.

It is a super-2 number, since 2×312422152² = 195215202120622208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312422153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35313 + ... + 43264.

It is an arithmetic number, because the mean of its divisors is an integer number (21216060).

Almost surely, 2^312422152 is an apocalyptic number.

It is an amenable number.

312422152 is an abundant number, since it is smaller than the sum of its proper divisors (366491768).

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

312422152 is a wasteful number, since it uses less digits than its factorization.

312422152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78661 (or 78657 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 312422152 is about 17675.4675185693. The cubic root of 312422152 is about 678.5480496069.

Adding to 312422152 its reverse (251224213), we get a palindrome (563646365).

The spelling of 312422152 in words is "three hundred twelve million, four hundred twenty-two thousand, one hundred fifty-two".