31494622 has 8 divisors (see below), whose sum is σ = 48518856. Its totient is φ = 15321672.

The previous prime is 31494611. The next prime is 31494637. The reversal of 31494622 is 22649413.

It is a happy number.

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

It is a super-2 number, since 2×31494622² = 1983822429845768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212728 + ... + 212875.

It is an arithmetic number, because the mean of its divisors is an integer number (6064857).

Almost surely, 2^31494622 is an apocalyptic number.

31494622 is a deficient number, since it is larger than the sum of its proper divisors (17024234).

31494622 is a wasteful number, since it uses less digits than its factorization.

31494622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425642.

The product of its digits is 10368, while the sum is 31.

The square root of 31494622 is about 5612.0069493899. The cubic root of 31494622 is about 315.8000056419.

The spelling of 31494622 in words is "thirty-one million, four hundred ninety-four thousand, six hundred twenty-two".