222243402 has 16 divisors (see below), whose sum is σ = 458825472. Its totient is φ = 71691360.

The previous prime is 222243389. The next prime is 222243421. The reversal of 222243402 is 204342222.

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, 597243 + ... + 597614.

It is an arithmetic number, because the mean of its divisors is an integer number (28676592).

Almost surely, 2^222243402 is an apocalyptic number.

222243402 is an abundant number, since it is smaller than the sum of its proper divisors (236582070).

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

222243402 is a wasteful number, since it uses less digits than its factorization.

222243402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194893.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 222243402 is about 14907.8302244156. The cubic root of 222243402 is about 605.7261067712.

Adding to 222243402 its reverse (204342222), we get a palindrome (426585624).

The spelling of 222243402 in words is "two hundred twenty-two million, two hundred forty-three thousand, four hundred two".