22265799 has 8 divisors (see below), whose sum is σ = 29713920. Its totient is φ = 14830776.

The previous prime is 22265797. The next prime is 22265807. The reversal of 22265799 is 99756222.

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

It is not a de Polignac number, because 22265799 - 2¹ = 22265797 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 22265799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22265791) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1834 + ... + 6920.

It is an arithmetic number, because the mean of its divisors is an integer number (3714240).

Almost surely, 2^22265799 is an apocalyptic number.

22265799 is a deficient number, since it is larger than the sum of its proper divisors (7448121).

22265799 is a wasteful number, since it uses less digits than its factorization.

22265799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549.

The product of its digits is 136080, while the sum is 42.

The square root of 22265799 is about 4718.6649594986. The cubic root of 22265799 is about 281.3278721653.

The spelling of 22265799 in words is "twenty-two million, two hundred sixty-five thousand, seven hundred ninety-nine".