22245736502149 has 2 divisors, whose sum is σ = 22245736502150. Its totient is φ = 22245736502148.

The previous prime is 22245736502057. The next prime is 22245736502323. The reversal of 22245736502149 is 94120563754222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21383392111524 + 862344390625 = 4624218^2 + 928625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22245736502149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22245736502096 and 22245736502105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22245736562149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122868251074 + 11122868251075.

It is an arithmetic number, because the mean of its divisors is an integer number (11122868251075).

Almost surely, 2^{22245736502149} is an apocalyptic number.

It is an amenable number.

22245736502149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22245736502149 is an equidigital number, since it uses as much as digits as its factorization.

22245736502149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 22245736502149 in words is "twenty-two trillion, two hundred forty-five billion, seven hundred thirty-six million, five hundred two thousand, one hundred forty-nine".