22975909 has 4 divisors (see below), whose sum is σ = 25064640. Its totient is φ = 20887180.

The previous prime is 22975847. The next prime is 22975969. The reversal of 22975909 is 90957922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22975909 - 2⁹ = 22975397 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 (22975969) 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, 1044349 + ... + 1044370.

It is an arithmetic number, because the mean of its divisors is an integer number (6266160).

Almost surely, 2^22975909 is an apocalyptic number.

It is an amenable number.

22975909 is a deficient number, since it is larger than the sum of its proper divisors (2088731).

22975909 is a wasteful number, since it uses less digits than its factorization.

22975909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088730.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 22975909 is about 4793.3192048934. The cubic root of 22975909 is about 284.2873711246.

The spelling of 22975909 in words is "twenty-two million, nine hundred seventy-five thousand, nine hundred nine".