22100513365 has 24 divisors (see below), whose sum is σ = 30926081880. Its totient is φ = 15117516288.

The previous prime is 22100513363. The next prime is 22100513381. The reversal of 22100513365 is 56331500122.

It can be written as a sum of positive squares in 4 ways, for example, as 6704170641 + 15396342724 = 81879^2 + 124082^2 .

It is not a de Polignac number, because 22100513365 - 2¹ = 22100513363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100513363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10072 + ... + 210481.

It is an arithmetic number, because the mean of its divisors is an integer number (1288586745).

Almost surely, 2^22100513365 is an apocalyptic number.

It is an amenable number.

22100513365 is a deficient number, since it is larger than the sum of its proper divisors (8825568515).

22100513365 is a wasteful number, since it uses less digits than its factorization.

22100513365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220981 (or 220974 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 22100513365 in words is "twenty-two billion, one hundred million, five hundred thirteen thousand, three hundred sixty-five".