322997408 has 12 divisors (see below), whose sum is σ = 635901210. Its totient is φ = 161498688.

The previous prime is 322997387. The next prime is 322997429. The reversal of 322997408 is 804799223.

It is an interprime number because it is at equal distance from previous prime (322997387) and next prime (322997429).

It can be written as a sum of positive squares in only one way, i.e., 322992784 + 4624 = 17972^2 + 68^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5046803 + ... + 5046866.

Almost surely, 2^322997408 is an apocalyptic number.

It is an amenable number.

322997408 is a deficient number, since it is larger than the sum of its proper divisors (312903802).

322997408 is a wasteful number, since it uses less digits than its factorization.

322997408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10093679 (or 10093671 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 322997408 is about 17972.1286440978. The cubic root of 322997408 is about 686.1193682581.

The spelling of 322997408 in words is "three hundred twenty-two million, nine hundred ninety-seven thousand, four hundred eight".