402022422404 has 24 divisors (see below), whose sum is σ = 708951605208. Its totient is φ = 199468189440.

The previous prime is 402022422391. The next prime is 402022422427. The reversal of 402022422404 is 404224220204.

It can be written as a sum of positive squares in 4 ways, for example, as 33328153600 + 368694268804 = 182560^2 + 607202^2 .

It is a super-2 number, since 2×402022422404² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57302 + ... + 898514.

It is an arithmetic number, because the mean of its divisors is an integer number (29539650217).

Almost surely, 2^402022422404 is an apocalyptic number.

It is an amenable number.

402022422404 is a deficient number, since it is larger than the sum of its proper divisors (306929182804).

402022422404 is a wasteful number, since it uses less digits than its factorization.

402022422404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842135 (or 842133 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 402022422404 its reverse (404224220204), we get a palindrome (806246642608).

The spelling of 402022422404 in words is "four hundred two billion, twenty-two million, four hundred twenty-two thousand, four hundred four".