22400235131 has 2 divisors, whose sum is σ = 22400235132. Its totient is φ = 22400235130.

The previous prime is 22400235127. The next prime is 22400235167. The reversal of 22400235131 is 13153200422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22400235131 - 2² = 22400235127 is a prime.

It is a super-3 number, since 3×22400235131³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22400235097 and 22400235106.

It is not a weakly prime, because it can be changed into another prime (22400235101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200117565 + 11200117566.

It is an arithmetic number, because the mean of its divisors is an integer number (11200117566).

Almost surely, 2^22400235131 is an apocalyptic number.

22400235131 is a deficient number, since it is larger than the sum of its proper divisors (1).

22400235131 is an equidigital number, since it uses as much as digits as its factorization.

22400235131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 22400235131 its reverse (13153200422), we get a palindrome (35553435553).

The spelling of 22400235131 in words is "twenty-two billion, four hundred million, two hundred thirty-five thousand, one hundred thirty-one".