402214422 has 16 divisors (see below), whose sum is σ = 808473600. Its totient is φ = 133397352.

The previous prime is 402214411. The next prime is 402214471. The reversal of 402214422 is 224412204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167238 + ... + 169625.

It is an arithmetic number, because the mean of its divisors is an integer number (50529600).

Almost surely, 2^402214422 is an apocalyptic number.

402214422 is an abundant number, since it is smaller than the sum of its proper divisors (406259178).

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

402214422 is a wasteful number, since it uses less digits than its factorization.

402214422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337067.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 402214422 is about 20055.2841415922. The cubic root of 402214422 is about 738.1634650865.

Adding to 402214422 its reverse (224412204), we get a palindrome (626626626).

The spelling of 402214422 in words is "four hundred two million, two hundred fourteen thousand, four hundred twenty-two".