22405737149 has 2 divisors, whose sum is σ = 22405737150. Its totient is φ = 22405737148.

The previous prime is 22405737097. The next prime is 22405737209. The reversal of 22405737149 is 94173750422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21361284025 + 1044453124 = 146155^2 + 32318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22405737149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22405737349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11202868574 + 11202868575.

It is an arithmetic number, because the mean of its divisors is an integer number (11202868575).

Almost surely, 2^22405737149 is an apocalyptic number.

It is an amenable number.

22405737149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22405737149 is an equidigital number, since it uses as much as digits as its factorization.

22405737149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 22405737149 in words is "twenty-two billion, four hundred five million, seven hundred thirty-seven thousand, one hundred forty-nine".