22300157681 has 4 divisors (see below), whose sum is σ = 22302457200. Its totient is φ = 22297858164.

The previous prime is 22300157647. The next prime is 22300157689. The reversal of 22300157681 is 18675100322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22300157681 - 2²² = 22295963377 is a prime.

It is a super-2 number, since 2×22300157681² (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 (22300157689) 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 3 ways as a sum of consecutive naturals, for example, 1135151 + ... + 1154628.

It is an arithmetic number, because the mean of its divisors is an integer number (5575614300).

Almost surely, 2^22300157681 is an apocalyptic number.

It is an amenable number.

22300157681 is a deficient number, since it is larger than the sum of its proper divisors (2299519).

22300157681 is an equidigital number, since it uses as much as digits as its factorization.

22300157681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299518.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 22300157681 in words is "twenty-two billion, three hundred million, one hundred fifty-seven thousand, six hundred eighty-one".