22026672565 has 8 divisors (see below), whose sum is σ = 26439344568. Its totient is φ = 17616446400.

The previous prime is 22026672553. The next prime is 22026672617. The reversal of 22026672565 is 56527662022.

It can be written as a sum of positive squares in 4 ways, for example, as 25180324 + 22001492241 = 5018^2 + 148329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22026672565 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591586 + ... + 627715.

It is an arithmetic number, because the mean of its divisors is an integer number (3304918071).

Almost surely, 2^22026672565 is an apocalyptic number.

It is an amenable number.

22026672565 is a deficient number, since it is larger than the sum of its proper divisors (4412672003).

22026672565 is a wasteful number, since it uses less digits than its factorization.

22026672565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222919.

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

The spelling of 22026672565 in words is "twenty-two billion, twenty-six million, six hundred seventy-two thousand, five hundred sixty-five".