402232222 has 32 divisors (see below), whose sum is σ = 716970240. Its totient is φ = 165654720.

The previous prime is 402232219. The next prime is 402232247. The reversal of 402232222 is 222232204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 402232222.

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 15 ways as a sum of consecutive naturals, for example, 33229 + ... + 43687.

It is an arithmetic number, because the mean of its divisors is an integer number (22405320).

Almost surely, 2^402232222 is an apocalyptic number.

402232222 is a deficient number, since it is larger than the sum of its proper divisors (314738018).

402232222 is a wasteful number, since it uses less digits than its factorization.

402232222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10576.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 402232222 is about 20055.7279100012. The cubic root of 402232222 is about 738.1743540677.

Adding to 402232222 its reverse (222232204), we get a palindrome (624464426).

The spelling of 402232222 in words is "four hundred two million, two hundred thirty-two thousand, two hundred twenty-two".