223312222 has 16 divisors (see below), whose sum is σ = 383460192. Its totient is φ = 95545440.

The previous prime is 223312157. The next prime is 223312231. The reversal of 223312222 is 222213322.

It is a self number, because there is not a number n which added to its sum of digits gives 223312222.

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, 4429 + ... + 21592.

It is an arithmetic number, because the mean of its divisors is an integer number (23966262).

Almost surely, 2^223312222 is an apocalyptic number.

223312222 is a deficient number, since it is larger than the sum of its proper divisors (160147970).

223312222 is a wasteful number, since it uses less digits than its factorization.

223312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26643.

The product of its digits is 576, while the sum is 19.

The square root of 223312222 is about 14943.6348322622. The cubic root of 223312222 is about 606.6955800064.

Adding to 223312222 its reverse (222213322), we get a palindrome (445525544).

It can be divided in two parts, 223 and 312222, that added together give a triangular number (312445 = T₇₉₀).

The spelling of 223312222 in words is "two hundred twenty-three million, three hundred twelve thousand, two hundred twenty-two".