402204022 has 16 divisors (see below), whose sum is σ = 658551744. Its totient is φ = 182709000.

The previous prime is 402204017. The next prime is 402204031. The reversal of 402204022 is 220402204.

It is a junction number, because it is equal to n+sod(n) for n = 402203987 and 402204005.

It is a congruent number.

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, 39697 + ... + 48787.

It is an arithmetic number, because the mean of its divisors is an integer number (41159484).

Almost surely, 2^402204022 is an apocalyptic number.

402204022 is a deficient number, since it is larger than the sum of its proper divisors (256347722).

402204022 is a wasteful number, since it uses less digits than its factorization.

402204022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11115.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 402204022 is about 20055.0248566288. The cubic root of 402204022 is about 738.1571028364.

Adding to 402204022 its reverse (220402204), we get a palindrome (622606226).

The spelling of 402204022 in words is "four hundred two million, two hundred four thousand, twenty-two".