22231020122 has 16 divisors (see below), whose sum is σ = 35755032960. Its totient is φ = 10329229248.

The previous prime is 22231020121. The next prime is 22231020197. The reversal of 22231020122 is 22102013222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22231020122.

It is not an unprimeable number, because it can be changed into a prime (22231020121) 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, 4135628 + ... + 4140999.

It is an arithmetic number, because the mean of its divisors is an integer number (2234689560).

Almost surely, 2^22231020122 is an apocalyptic number.

22231020122 is a deficient number, since it is larger than the sum of its proper divisors (13524012838).

22231020122 is a wasteful number, since it uses less digits than its factorization.

22231020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8276725.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22231020122 its reverse (22102013222), we get a palindrome (44333033344).

The spelling of 22231020122 in words is "twenty-two billion, two hundred thirty-one million, twenty thousand, one hundred twenty-two".