22222331022 has 16 divisors (see below), whose sum is σ = 44446126032. Its totient is φ = 7407199680.

The previous prime is 22222331009. The next prime is 22222331023. The reversal of 22222331022 is 22013322222.

It is a self number, because there is not a number n which added to its sum of digits gives 22222331022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222331023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308572 + ... + 373712.

It is an arithmetic number, because the mean of its divisors is an integer number (2777882877).

Almost surely, 2^22222331022 is an apocalyptic number.

22222331022 is an abundant number, since it is smaller than the sum of its proper divisors (22223795010).

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

22222331022 is a wasteful number, since it uses less digits than its factorization.

22222331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122003.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22222331022 its reverse (22013322222), we get a palindrome (44235653244).

The spelling of 22222331022 in words is "twenty-two billion, two hundred twenty-two million, three hundred thirty-one thousand, twenty-two".