22989247577 has 4 divisors (see below), whose sum is σ = 24341556276. Its totient is φ = 21636938880.

The previous prime is 22989247573. The next prime is 22989247591. The reversal of 22989247577 is 77574298922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6965738521 + 16023509056 = 83461^2 + 126584^2 .

It is a cyclic number.

It is not a de Polignac number, because 22989247577 - 2² = 22989247573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22989247573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676154324 + ... + 676154357.

It is an arithmetic number, because the mean of its divisors is an integer number (6085389069).

Almost surely, 2^22989247577 is an apocalyptic number.

It is an amenable number.

22989247577 is a deficient number, since it is larger than the sum of its proper divisors (1352308699).

22989247577 is a wasteful number, since it uses less digits than its factorization.

22989247577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352308698.

The product of its digits is 35562240, while the sum is 62.

The spelling of 22989247577 in words is "twenty-two billion, nine hundred eighty-nine million, two hundred forty-seven thousand, five hundred seventy-seven".