402371222 has 24 divisors (see below), whose sum is σ = 667926000. Its totient is φ = 181652240.

The previous prime is 402371219. The next prime is 402371237. The reversal of 402371222 is 222173204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30479 + ... + 41637.

It is an arithmetic number, because the mean of its divisors is an integer number (27830250).

Almost surely, 2^402371222 is an apocalyptic number.

402371222 is a deficient number, since it is larger than the sum of its proper divisors (265554778).

402371222 is a wasteful number, since it uses less digits than its factorization.

402371222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11332 (or 11321 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 402371222 is about 20059.1929548524. The cubic root of 402371222 is about 738.2593749525.

The spelling of 402371222 in words is "four hundred two million, three hundred seventy-one thousand, two hundred twenty-two".