22874009 has 4 divisors (see below), whose sum is σ = 22936704. Its totient is φ = 22811316.

The previous prime is 22873997. The next prime is 22874017. The reversal of 22874009 is 90047822.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90047822 = 2 ⋅45023911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22874009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22874209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30797 + ... + 31530.

It is an arithmetic number, because the mean of its divisors is an integer number (5734176).

Almost surely, 2^22874009 is an apocalyptic number.

It is an amenable number.

22874009 is a deficient number, since it is larger than the sum of its proper divisors (62695).

22874009 is an equidigital number, since it uses as much as digits as its factorization.

22874009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62694.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 22874009 is about 4782.6780155055. The cubic root of 22874009 is about 283.8664691646.

The spelling of 22874009 in words is "twenty-two million, eight hundred seventy-four thousand, nine".