22907423393 has 4 divisors (see below), whose sum is σ = 23110144068. Its totient is φ = 22704702720.

The previous prime is 22907423353. The next prime is 22907423401. The reversal of 22907423393 is 39332470922.

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 10723016704 + 12184406689 = 103552^2 + 110383^2 .

It is a cyclic number.

It is not a de Polignac number, because 22907423393 - 2¹⁶ = 22907357857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22907423333) 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, 101360168 + ... + 101360393.

It is an arithmetic number, because the mean of its divisors is an integer number (5777536017).

Almost surely, 2^22907423393 is an apocalyptic number.

It is an amenable number.

22907423393 is a deficient number, since it is larger than the sum of its proper divisors (202720675).

22907423393 is a wasteful number, since it uses less digits than its factorization.

22907423393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202720674.

The product of its (nonzero) digits is 489888, while the sum is 44.

The spelling of 22907423393 in words is "twenty-two billion, nine hundred seven million, four hundred twenty-three thousand, three hundred ninety-three".