612422544 has 20 divisors (see below), whose sum is σ = 1582091696. Its totient is φ = 204140832.

The previous prime is 612422533. The next prime is 612422563. The reversal of 612422544 is 445224216.

It is a super-2 number, since 2×612422544² = 750122744798863872, which contains 22 as substring.

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, 6379354 + ... + 6379449.

Almost surely, 2^612422544 is an apocalyptic number.

It is an amenable number.

612422544 is an abundant number, since it is smaller than the sum of its proper divisors (969669152).

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

612422544 is a wasteful number, since it uses less digits than its factorization.

612422544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12758814 (or 12758808 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 612422544 is about 24747.1724445440. The cubic root of 612422544 is about 849.2138262559.

The spelling of 612422544 in words is "six hundred twelve million, four hundred twenty-two thousand, five hundred forty-four".