22160553731 has 8 divisors (see below), whose sum is σ = 22347798528. Its totient is φ = 21974085000.

The previous prime is 22160553691. The next prime is 22160553773. The reversal of 22160553731 is 13735506122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22160553731 is a prime.

It is a super-2 number, since 2×22160553731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22160553691 and 22160553700.

It is not an unprimeable number, because it can be changed into a prime (22160556731) 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, 136595 + ... + 250956.

It is an arithmetic number, because the mean of its divisors is an integer number (2793474816).

Almost surely, 2^22160553731 is an apocalyptic number.

22160553731 is a deficient number, since it is larger than the sum of its proper divisors (187244797).

22160553731 is a wasteful number, since it uses less digits than its factorization.

22160553731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388033.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 22160553731 in words is "twenty-two billion, one hundred sixty million, five hundred fifty-three thousand, seven hundred thirty-one".