22513845337 has 2 divisors, whose sum is σ = 22513845338. Its totient is φ = 22513845336.

The previous prime is 22513845329. The next prime is 22513845349. The reversal of 22513845337 is 73354831522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21450824521 + 1063020816 = 146461^2 + 32604^2 .

It is a cyclic number.

It is not a de Polignac number, because 22513845337 - 2³ = 22513845329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22513845293 and 22513845302.

It is not a weakly prime, because it can be changed into another prime (22513845377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11256922668 + 11256922669.

It is an arithmetic number, because the mean of its divisors is an integer number (11256922669).

Almost surely, 2^22513845337 is an apocalyptic number.

It is an amenable number.

22513845337 is a deficient number, since it is larger than the sum of its proper divisors (1).

22513845337 is an equidigital number, since it uses as much as digits as its factorization.

22513845337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 43.

The spelling of 22513845337 in words is "twenty-two billion, five hundred thirteen million, eight hundred forty-five thousand, three hundred thirty-seven".