222113226 has 16 divisors (see below), whose sum is σ = 445868928. Its totient is φ = 73764000.

The previous prime is 222113207. The next prime is 222113239. The reversal of 222113226 is 622311222.

It is a nude number because it is divisible by every one of its digits.

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, 66675 + ... + 69926.

It is an arithmetic number, because the mean of its divisors is an integer number (27866808).

Almost surely, 2^222113226 is an apocalyptic number.

222113226 is an abundant number, since it is smaller than the sum of its proper divisors (223755702).

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

222113226 is a wasteful number, since it uses less digits than its factorization.

222113226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136877.

The product of its digits is 576, while the sum is 21.

The square root of 222113226 is about 14903.4635571735. The cubic root of 222113226 is about 605.6078184422.

Adding to 222113226 its reverse (622311222), we get a palindrome (844424448).

The spelling of 222113226 in words is "two hundred twenty-two million, one hundred thirteen thousand, two hundred twenty-six".