22101677681 has 8 divisors (see below), whose sum is σ = 22158109440. Its totient is φ = 22045318992.

The previous prime is 22101677677. The next prime is 22101677687. The reversal of 22101677681 is 18677610122.

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 22101677681 - 2² = 22101677677 is a prime.

It is a super-2 number, since 2×22101677681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22101677687) 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, 615110 + ... + 650048.

It is an arithmetic number, because the mean of its divisors is an integer number (2769763680).

Almost surely, 2^22101677681 is an apocalyptic number.

It is an amenable number.

22101677681 is a deficient number, since it is larger than the sum of its proper divisors (56431759).

22101677681 is an equidigital number, since it uses as much as digits as its factorization.

22101677681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36535.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 22101677681 in words is "twenty-two billion, one hundred one million, six hundred seventy-seven thousand, six hundred eighty-one".