312422044 has 12 divisors (see below), whose sum is σ = 596442168. Its totient is φ = 142010000.

The previous prime is 312422029. The next prime is 312422063. The reversal of 312422044 is 440224213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3550207 + ... + 3550294.

It is an arithmetic number, because the mean of its divisors is an integer number (49703514).

Almost surely, 2^312422044 is an apocalyptic number.

It is an amenable number.

312422044 is a deficient number, since it is larger than the sum of its proper divisors (284020124).

312422044 is a wasteful number, since it uses less digits than its factorization.

312422044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100516 (or 7100514 counting only the distinct ones).

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

The square root of 312422044 is about 17675.4644634872. The cubic root of 312422044 is about 678.5479714187.

Adding to 312422044 its reverse (440224213), we get a palindrome (752646257).

The spelling of 312422044 in words is "three hundred twelve million, four hundred twenty-two thousand, forty-four".