22131020230 has 32 divisors (see below), whose sum is σ = 43697410848. Its totient is φ = 8003174400.

The previous prime is 22131020209. The next prime is 22131020231. The reversal of 22131020230 is 3202013122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131020231) 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, 535867 + ... + 575686.

It is an arithmetic number, because the mean of its divisors is an integer number (1365544089).

Almost surely, 2^22131020230 is an apocalyptic number.

22131020230 is a deficient number, since it is larger than the sum of its proper divisors (21566390618).

22131020230 is a wasteful number, since it uses less digits than its factorization.

22131020230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111752.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22131020230 its reverse (3202013122), we get a palindrome (25333033352).

The spelling of 22131020230 in words is "twenty-two billion, one hundred thirty-one million, twenty thousand, two hundred thirty".