402022324 has 48 divisors (see below), whose sum is σ = 816540480. Its totient is φ = 171164160.

The previous prime is 402022321. The next prime is 402022337. The reversal of 402022324 is 423220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402022321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170119 + ... + 172465.

It is an arithmetic number, because the mean of its divisors is an integer number (17011260).

Almost surely, 2^402022324 is an apocalyptic number.

402022324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402022324 is an abundant number, since it is smaller than the sum of its proper divisors (414518156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402022324 is a wasteful number, since it uses less digits than its factorization.

402022324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2606 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 402022324 is about 20050.4943579953. The cubic root of 402022324 is about 738.0459305095.

Adding to 402022324 its reverse (423220204), we get a palindrome (825242528).

The spelling of 402022324 in words is "four hundred two million, twenty-two thousand, three hundred twenty-four".