22245541505213 has 16 divisors (see below), whose sum is σ = 24060239526960. Its totient is φ = 20445634573824.

The previous prime is 22245541505191. The next prime is 22245541505251. The reversal of 22245541505213 is 31250514554222.

It can be written as a sum of positive squares in 8 ways, for example, as 11748181263844 + 10497360241369 = 3427562^2 + 3239963^2 .

It is a cyclic number.

It is not a de Polignac number, because 22245541505213 - 2²⁸ = 22245273069757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22245541505293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135583895 + ... + 135747867.

It is an arithmetic number, because the mean of its divisors is an integer number (1503764970435).

Almost surely, 2^{22245541505213} is an apocalyptic number.

It is an amenable number.

22245541505213 is a deficient number, since it is larger than the sum of its proper divisors (1814698021747).

22245541505213 is a wasteful number, since it uses less digits than its factorization.

22245541505213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209008.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 22245541505213 in words is "twenty-two trillion, two hundred forty-five billion, five hundred forty-one million, five hundred five thousand, two hundred thirteen".