22730800661 has 8 divisors (see below), whose sum is σ = 22920876504. Its totient is φ = 22541075200.

The previous prime is 22730800637. The next prime is 22730800669. The reversal of 22730800661 is 16600803722.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2358947761 + 20371852900 = 48569^2 + 142730^2 .

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-22730800661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22730800669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43511 + ... + 217611.

It is an arithmetic number, because the mean of its divisors is an integer number (2865109563).

Almost surely, 2^22730800661 is an apocalyptic number.

It is an amenable number.

22730800661 is a deficient number, since it is larger than the sum of its proper divisors (190075843).

22730800661 is a wasteful number, since it uses less digits than its factorization.

22730800661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175191.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 22730800661 in words is "twenty-two billion, seven hundred thirty million, eight hundred thousand, six hundred sixty-one".