31464422 has 8 divisors (see below), whose sum is σ = 51487272. Its totient is φ = 14302000.

The previous prime is 31464421. The next prime is 31464427. The reversal of 31464422 is 22446413.

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

It is a junction number, because it is equal to n+sod(n) for n = 31464391 and 31464400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31464421) by changing a digit.

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, 715079 + ... + 715122.

It is an arithmetic number, because the mean of its divisors is an integer number (6435909).

Almost surely, 2^31464422 is an apocalyptic number.

31464422 is a deficient number, since it is larger than the sum of its proper divisors (20022850).

31464422 is a wasteful number, since it uses less digits than its factorization.

31464422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430214.

The product of its digits is 4608, while the sum is 26.

The square root of 31464422 is about 5609.3156445328. The cubic root of 31464422 is about 315.6990337980.

Subtracting from 31464422 its reverse (22446413), we obtain a square (9018009 = 3003²).

The spelling of 31464422 in words is "thirty-one million, four hundred sixty-four thousand, four hundred twenty-two".