312422224 has 20 divisors (see below), whose sum is σ = 608460436. Its totient is φ = 155400192.

The previous prime is 312422221. The next prime is 312422237. The reversal of 312422224 is 422224213.

It can be written as a sum of positive squares in 2 ways, for example, as 227044624 + 85377600 = 15068^2 + 9240^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312422195 and 312422204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312422221) 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, 47499 + ... + 53674.

Almost surely, 2^312422224 is an apocalyptic number.

It is an amenable number.

312422224 is a deficient number, since it is larger than the sum of its proper divisors (296038212).

312422224 is a wasteful number, since it uses less digits than its factorization.

312422224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101374 (or 101368 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 312422224 is about 17675.4695552905. The cubic root of 312422224 is about 678.5481017323.

Adding to 312422224 its reverse (422224213), we get a palindrome (734646437).

The spelling of 312422224 in words is "three hundred twelve million, four hundred twenty-two thousand, two hundred twenty-four".