222404222 has 16 divisors (see below), whose sum is σ = 341958672. Its totient is φ = 108451200.

The previous prime is 222404207. The next prime is 222404233.

222404222 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222404194 and 222404203.

It is a congruent number.

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, 5318 + ... + 21750.

It is an arithmetic number, because the mean of its divisors is an integer number (21372417).

Almost surely, 2^222404222 is an apocalyptic number.

222404222 is a deficient number, since it is larger than the sum of its proper divisors (119554450).

222404222 is a wasteful number, since it uses less digits than its factorization.

222404222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16603.

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

The square root of 222404222 is about 14913.2230587489. The cubic root of 222404222 is about 605.8721769273.

It can be divided in two parts, 22240 and 4222, that added together give a palindrome (26462).

The spelling of 222404222 in words is "two hundred twenty-two million, four hundred four thousand, two hundred twenty-two".