402822664 has 16 divisors (see below), whose sum is σ = 761241600. Its totient is φ = 199824912.

The previous prime is 402822661. The next prime is 402822683. The reversal of 402822664 is 466228204.

It is not an unprimeable number, because it can be changed into a prime (402822661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197224 + ... + 199255.

It is an arithmetic number, because the mean of its divisors is an integer number (47577600).

Almost surely, 2^402822664 is an apocalyptic number.

It is an amenable number.

402822664 is a deficient number, since it is larger than the sum of its proper divisors (358418936).

402822664 is a wasteful number, since it uses less digits than its factorization.

402822664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396612 (or 396608 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 402822664 is about 20070.4425461921. The cubic root of 402822664 is about 738.5353694455.

The spelling of 402822664 in words is "four hundred two million, eight hundred twenty-two thousand, six hundred sixty-four".