22022221022 has 32 divisors (see below), whose sum is σ = 36364476960. Its totient is φ = 9959685120.

The previous prime is 22022221021. The next prime is 22022221139. The reversal of 22022221022 is 22012222022.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022221021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24497 + ... + 211292.

It is an arithmetic number, because the mean of its divisors is an integer number (1136389905).

Almost surely, 2^22022221022 is an apocalyptic number.

22022221022 is a deficient number, since it is larger than the sum of its proper divisors (14342255938).

22022221022 is a wasteful number, since it uses less digits than its factorization.

22022221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235916.

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

Adding to 22022221022 its reverse (22012222022), we get a palindrome (44034443044).

The spelling of 22022221022 in words is "twenty-two billion, twenty-two million, two hundred twenty-one thousand, twenty-two".