22089649561 has 8 divisors (see below), whose sum is σ = 25481252160. Its totient is φ = 18757031568.

The previous prime is 22089649541. The next prime is 22089649651. The reversal of 22089649561 is 16594698022.

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-22089649561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22089649499 and 22089649508.

It is not an unprimeable number, because it can be changed into a prime (22089649531) 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, 14745346 + ... + 14746843.

It is an arithmetic number, because the mean of its divisors is an integer number (3185156520).

Almost surely, 2^22089649561 is an apocalyptic number.

It is an amenable number.

22089649561 is a deficient number, since it is larger than the sum of its proper divisors (3391602599).

22089649561 is a wasteful number, since it uses less digits than its factorization.

22089649561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29492303.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 22089649561 in words is "twenty-two billion, eighty-nine million, six hundred forty-nine thousand, five hundred sixty-one".