22037728817 has 8 divisors (see below), whose sum is σ = 23734307520. Its totient is φ = 20341345680.

The previous prime is 22037728799. The next prime is 22037728819. The reversal of 22037728817 is 71882773022.

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 22037728817 - 2²⁰ = 22036680241 is a prime.

It is a super-2 number, since 2×22037728817² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22037728819) 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, 255284 + ... + 330522.

It is an arithmetic number, because the mean of its divisors is an integer number (2966788440).

Almost surely, 2^22037728817 is an apocalyptic number.

It is an amenable number.

22037728817 is a deficient number, since it is larger than the sum of its proper divisors (1696578703).

22037728817 is a wasteful number, since it uses less digits than its factorization.

22037728817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97783.

The product of its (nonzero) digits is 526848, while the sum is 47.

The spelling of 22037728817 in words is "twenty-two billion, thirty-seven million, seven hundred twenty-eight thousand, eight hundred seventeen".