321422632 has 16 divisors (see below), whose sum is σ = 622108800. Its totient is φ = 155526960.

The previous prime is 321422617. The next prime is 321422641. The reversal of 321422632 is 236224123.

It is a junction number, because it is equal to n+sod(n) for n = 321422597 and 321422606.

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, 647782 + ... + 648277.

It is an arithmetic number, because the mean of its divisors is an integer number (38881800).

Almost surely, 2^321422632 is an apocalyptic number.

It is an amenable number.

321422632 is a deficient number, since it is larger than the sum of its proper divisors (300686168).

321422632 is a wasteful number, since it uses less digits than its factorization.

321422632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296096 (or 1296092 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 321422632 is about 17928.2634965018. The cubic root of 321422632 is about 685.0024913330.

Adding to 321422632 its reverse (236224123), we get a palindrome (557646755).

The spelling of 321422632 in words is "three hundred twenty-one million, four hundred twenty-two thousand, six hundred thirty-two".