402522022 has 16 divisors (see below), whose sum is σ = 730628640. Its totient is φ = 162361728.

The previous prime is 402522007. The next prime is 402522031. The reversal of 402522022 is 220225204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845397 + ... + 845872.

It is an arithmetic number, because the mean of its divisors is an integer number (45664290).

Almost surely, 2^402522022 is an apocalyptic number.

402522022 is a deficient number, since it is larger than the sum of its proper divisors (328106618).

402522022 is a wasteful number, since it uses less digits than its factorization.

402522022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691295.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 402522022 is about 20062.9514777861. The cubic root of 402522022 is about 738.3515912962.

Adding to 402522022 its reverse (220225204), we get a palindrome (622747226).

The spelling of 402522022 in words is "four hundred two million, five hundred twenty-two thousand, twenty-two".