22265913549 has 16 divisors (see below), whose sum is σ = 33139966464. Its totient is φ = 13180666800.

The previous prime is 22265913533. The next prime is 22265913643. The reversal of 22265913549 is 94531956222.

It is not a de Polignac number, because 22265913549 - 2⁴ = 22265913533 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22265913498 and 22265913507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22265913529) 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, 7844217 + ... + 7847054.

It is an arithmetic number, because the mean of its divisors is an integer number (2071247904).

Almost surely, 2^22265913549 is an apocalyptic number.

It is an amenable number.

22265913549 is a deficient number, since it is larger than the sum of its proper divisors (10874052915).

22265913549 is a wasteful number, since it uses less digits than its factorization.

22265913549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15691328.

The product of its digits is 1166400, while the sum is 48.

The spelling of 22265913549 in words is "twenty-two billion, two hundred sixty-five million, nine hundred thirteen thousand, five hundred forty-nine".