22265741565 has 32 divisors (see below), whose sum is σ = 41666889600. Its totient is φ = 11250057600.

The previous prime is 22265741501. The next prime is 22265741581. The reversal of 22265741565 is 56514756222.

22265741565 is a `hidden beast` number, since 2 + 2 + 2 + 6 + 574 + 15 + 65 = 666.

It is not a de Polignac number, because 22265741565 - 2⁶ = 22265741501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22265741565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4337736 + ... + 4342865.

It is an arithmetic number, because the mean of its divisors is an integer number (1302090300).

Almost surely, 2^22265741565 is an apocalyptic number.

It is an amenable number.

22265741565 is a deficient number, since it is larger than the sum of its proper divisors (19401148035).

22265741565 is a wasteful number, since it uses less digits than its factorization.

22265741565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680634 (or 8680628 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 22265741565 in words is "twenty-two billion, two hundred sixty-five million, seven hundred forty-one thousand, five hundred sixty-five".