22131343049 has 2 divisors, whose sum is σ = 22131343050. Its totient is φ = 22131343048.

The previous prime is 22131343027. The next prime is 22131343067. The reversal of 22131343049 is 94034313122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22071559225 + 59783824 = 148565^2 + 7732^2 .

It is a cyclic number.

It is not a de Polignac number, because 22131343049 - 2²⁴ = 22114565833 is a prime.

It is not a weakly prime, because it can be changed into another prime (22131343079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065671524 + 11065671525.

It is an arithmetic number, because the mean of its divisors is an integer number (11065671525).

Almost surely, 2^22131343049 is an apocalyptic number.

It is an amenable number.

22131343049 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131343049 is an equidigital number, since it uses as much as digits as its factorization.

22131343049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 22131343049 in words is "twenty-two billion, one hundred thirty-one million, three hundred forty-three thousand, forty-nine".