22023021131 has 2 divisors, whose sum is σ = 22023021132. Its totient is φ = 22023021130.

The previous prime is 22023021077. The next prime is 22023021151. The reversal of 22023021131 is 13112032022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22023021131 - 2⁶ = 22023021067 is a prime.

It is a super-2 number, since 2×22023021131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22023021151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011510565 + 11011510566.

It is an arithmetic number, because the mean of its divisors is an integer number (11011510566).

Almost surely, 2^22023021131 is an apocalyptic number.

22023021131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22023021131 is an equidigital number, since it uses as much as digits as its factorization.

22023021131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22023021131 its reverse (13112032022), we get a palindrome (35135053153).

The spelling of 22023021131 in words is "twenty-two billion, twenty-three million, twenty-one thousand, one hundred thirty-one".