22201220222 has 32 divisors (see below), whose sum is σ = 34904412000. Its totient is φ = 10577443968.

The previous prime is 22201220219. The next prime is 22201220233. The reversal of 22201220222 is 22202210222.

It is a self number, because there is not a number n which added to its sum of digits gives 22201220222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1348613 + ... + 1364975.

It is an arithmetic number, because the mean of its divisors is an integer number (1090762875).

Almost surely, 2^22201220222 is an apocalyptic number.

22201220222 is a deficient number, since it is larger than the sum of its proper divisors (12703191778).

22201220222 is a wasteful number, since it uses less digits than its factorization.

22201220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16700.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22201220222 its reverse (22202210222), we get a palindrome (44403430444).

The spelling of 22201220222 in words is "twenty-two billion, two hundred one million, two hundred twenty thousand, two hundred twenty-two".