22388645159 has 8 divisors (see below), whose sum is σ = 23707164960. Its totient is φ = 21070296576.

The previous prime is 22388645143. The next prime is 22388645171. The reversal of 22388645159 is 95154688322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22388645159 - 2⁴ = 22388645143 is a prime.

It is a super-2 number, since 2×22388645159² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22388645159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22388645189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309182 + ... + 374660.

It is an arithmetic number, because the mean of its divisors is an integer number (2963395620).

Almost surely, 2^22388645159 is an apocalyptic number.

22388645159 is a deficient number, since it is larger than the sum of its proper divisors (1318519801).

22388645159 is a wasteful number, since it uses less digits than its factorization.

22388645159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85609.

The product of its digits is 4147200, while the sum is 53.

The spelling of 22388645159 in words is "twenty-two billion, three hundred eighty-eight million, six hundred forty-five thousand, one hundred fifty-nine".