22296009 has 4 divisors (see below), whose sum is σ = 29728016. Its totient is φ = 14864004.

The previous prime is 22295989. The next prime is 22296011. The reversal of 22296009 is 90069222.

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 de Polignac number, because none of the positive numbers 2^k-22296009 is a prime.

It is a super-2 number, since 2×22296009² = 994224034656162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22298009) 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, 3715999 + ... + 3716004.

It is an arithmetic number, because the mean of its divisors is an integer number (7432004).

Almost surely, 2^22296009 is an apocalyptic number.

It is an amenable number.

22296009 is a deficient number, since it is larger than the sum of its proper divisors (7432007).

22296009 is an equidigital number, since it uses as much as digits as its factorization.

22296009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7432006.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 22296009 is about 4721.8649917167. The cubic root of 22296009 is about 281.4550488899.

The spelling of 22296009 in words is "twenty-two million, two hundred ninety-six thousand, nine".