222422402 has 32 divisors (see below), whose sum is σ = 357065280. Its totient is φ = 103723200.

The previous prime is 222422383. The next prime is 222422491. The reversal of 222422402 is 204224222.

It is a super-2 number, since 2×222422402² = 98943449822899208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251453 + ... + 252335.

It is an arithmetic number, because the mean of its divisors is an integer number (11158290).

Almost surely, 2^222422402 is an apocalyptic number.

222422402 is a deficient number, since it is larger than the sum of its proper divisors (134642878).

222422402 is a wasteful number, since it uses less digits than its factorization.

222422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 222422402 is about 14913.8325724812. The cubic root of 222422402 is about 605.8886850913. Note that the first 3 decimals are identical.

Adding to 222422402 its reverse (204224222), we get a palindrome (426646624).

The spelling of 222422402 in words is "two hundred twenty-two million, four hundred twenty-two thousand, four hundred two".