213224122 has 16 divisors (see below), whose sum is σ = 335433600. Its totient is φ = 101459952.

The previous prime is 213224119. The next prime is 213224177. The reversal of 213224122 is 221422312.

It is a self number, because there is not a number n which added to its sum of digits gives 213224122.

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, 2493 + ... + 20800.

It is an arithmetic number, because the mean of its divisors is an integer number (20964600).

Almost surely, 2^213224122 is an apocalyptic number.

213224122 is a deficient number, since it is larger than the sum of its proper divisors (122209478).

213224122 is a wasteful number, since it uses less digits than its factorization.

213224122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23517.

The product of its digits is 384, while the sum is 19.

The square root of 213224122 is about 14602.1957937839. The cubic root of 213224122 is about 597.4186529311.

Adding to 213224122 its reverse (221422312), we get a palindrome (434646434).

The spelling of 213224122 in words is "two hundred thirteen million, two hundred twenty-four thousand, one hundred twenty-two".