22102212233 has 4 divisors (see below), whose sum is σ = 22151438100. Its totient is φ = 22052986368.

The previous prime is 22102212211. The next prime is 22102212283. The reversal of 22102212233 is 33221220122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7487094784 + 14615117449 = 86528^2 + 120893^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102212233 - 2⁶ = 22102212169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102212283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24612260 + ... + 24613157.

It is an arithmetic number, because the mean of its divisors is an integer number (5537859525).

Almost surely, 2^22102212233 is an apocalyptic number.

It is an amenable number.

22102212233 is a deficient number, since it is larger than the sum of its proper divisors (49225867).

22102212233 is an equidigital number, since it uses as much as digits as its factorization.

22102212233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49225866.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22102212233 its reverse (33221220122), we get a palindrome (55323432355).

The spelling of 22102212233 in words is "twenty-two billion, one hundred two million, two hundred twelve thousand, two hundred thirty-three".