22405531013 has 2 divisors, whose sum is σ = 22405531014. Its totient is φ = 22405531012.

The previous prime is 22405530991. The next prime is 22405531067. The reversal of 22405531013 is 31013550422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18917801764 + 3487729249 = 137542^2 + 59057^2 .

It is a cyclic number.

It is not a de Polignac number, because 22405531013 - 2¹⁴ = 22405514629 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22405537013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11202765506 + 11202765507.

It is an arithmetic number, because the mean of its divisors is an integer number (11202765507).

Almost surely, 2^22405531013 is an apocalyptic number.

It is an amenable number.

22405531013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22405531013 is an equidigital number, since it uses as much as digits as its factorization.

22405531013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 22405531013 in words is "twenty-two billion, four hundred five million, five hundred thirty-one thousand, thirteen".