22952809 has 8 divisors (see below), whose sum is σ = 25392960. Its totient is φ = 20571600.

The previous prime is 22952801. The next prime is 22952849. The reversal of 22952809 is 90825922.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22952809 - 2³ = 22952801 is a prime.

It is a super-3 number, since 3×22952809³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22952801) 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, 13914 + ... + 15475.

It is an arithmetic number, because the mean of its divisors is an integer number (3174120).

Almost surely, 2^22952809 is an apocalyptic number.

It is an amenable number.

22952809 is a deficient number, since it is larger than the sum of its proper divisors (2440151).

22952809 is a wasteful number, since it uses less digits than its factorization.

22952809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29471.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 22952809 is about 4790.9089951699. The cubic root of 22952809 is about 284.1920649158.

The spelling of 22952809 in words is "twenty-two million, nine hundred fifty-two thousand, eight hundred nine".