22809967 has 4 divisors (see below), whose sum is σ = 22845240. Its totient is φ = 22774696.

The previous prime is 22809961. The next prime is 22809973. The reversal of 22809967 is 76990822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76990822 = 2 ⋅38495411.

It is an interprime number because it is at equal distance from previous prime (22809961) and next prime (22809973).

It is a cyclic number.

It is not a de Polignac number, because 22809967 - 2³ = 22809959 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 (22809961) 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, 16648 + ... + 17965.

It is an arithmetic number, because the mean of its divisors is an integer number (5711310).

Almost surely, 2^22809967 is an apocalyptic number.

22809967 is a deficient number, since it is larger than the sum of its proper divisors (35273).

22809967 is an equidigital number, since it uses as much as digits as its factorization.

22809967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35272.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 22809967 is about 4775.9781197154. The cubic root of 22809967 is about 283.6013011174.

The spelling of 22809967 in words is "twenty-two million, eight hundred nine thousand, nine hundred sixty-seven".