22347581993 has 8 divisors (see below), whose sum is σ = 24501691200. Its totient is φ = 20213891280.

The previous prime is 22347581951. The next prime is 22347582001. The reversal of 22347581993 is 39918574322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22347581993 - 2⁶ = 22347581929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22347581903) 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, 5102330 + ... + 5106707.

It is an arithmetic number, because the mean of its divisors is an integer number (3062711400).

Almost surely, 2^22347581993 is an apocalyptic number.

It is an amenable number.

22347581993 is a deficient number, since it is larger than the sum of its proper divisors (2154109207).

22347581993 is a wasteful number, since it uses less digits than its factorization.

22347581993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10209247.

The product of its digits is 3265920, while the sum is 53.

The spelling of 22347581993 in words is "twenty-two billion, three hundred forty-seven million, five hundred eighty-one thousand, nine hundred ninety-three".