31044422 has 8 divisors (see below), whose sum is σ = 46607400. Its totient is φ = 15508624.

The previous prime is 31044401. The next prime is 31044437. The reversal of 31044422 is 22444013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31044422² = 1927512274628168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31044394 and 31044403.

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, 3647 + ... + 8682.

It is an arithmetic number, because the mean of its divisors is an integer number (5825925).

Almost surely, 2^31044422 is an apocalyptic number.

31044422 is a deficient number, since it is larger than the sum of its proper divisors (15562978).

31044422 is a wasteful number, since it uses less digits than its factorization.

31044422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13590.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 31044422 is about 5571.7521481128. The cubic root of 31044422 is about 314.2880435286.

Adding to 31044422 its reverse (22444013), we get a palindrome (53488435).

The spelling of 31044422 in words is "thirty-one million, forty-four thousand, four hundred twenty-two".