22155759 has 12 divisors (see below), whose sum is σ = 32080776. Its totient is φ = 14734512.

The previous prime is 22155751. The next prime is 22155769. The reversal of 22155759 is 95755122.

It is not a de Polignac number, because 22155759 - 2³ = 22155751 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1209 + ... + 6765.

It is an arithmetic number, because the mean of its divisors is an integer number (2673398).

Almost surely, 2^22155759 is an apocalyptic number.

22155759 is a deficient number, since it is larger than the sum of its proper divisors (9925017).

22155759 is a wasteful number, since it uses less digits than its factorization.

22155759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006 (or 6003 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 22155759 is about 4706.9904397608. The cubic root of 22155759 is about 280.8636556078.

The spelling of 22155759 in words is "twenty-two million, one hundred fifty-five thousand, seven hundred fifty-nine".