23220131422 has 16 divisors (see below), whose sum is σ = 35156714112. Its totient is φ = 11501685720.

The previous prime is 23220131387. The next prime is 23220131483. The reversal of 23220131422 is 22413102232.

It is a junction number, because it is equal to n+sod(n) for n = 23220131393 and 23220131402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13128 + ... + 215899.

It is an arithmetic number, because the mean of its divisors is an integer number (2197294632).

Almost surely, 2^23220131422 is an apocalyptic number.

23220131422 is a deficient number, since it is larger than the sum of its proper divisors (11936582690).

23220131422 is a wasteful number, since it uses less digits than its factorization.

23220131422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229503.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23220131422 its reverse (22413102232), we get a palindrome (45633233654).

The spelling of 23220131422 in words is "twenty-three billion, two hundred twenty million, one hundred thirty-one thousand, four hundred twenty-two".