23228207 has 4 divisors (see below), whose sum is σ = 23977536. Its totient is φ = 22478880.

The previous prime is 23228143. The next prime is 23228237. The reversal of 23228207 is 70282232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23228207 - 2⁶ = 23228143 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 (23228237) 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, 374618 + ... + 374679.

It is an arithmetic number, because the mean of its divisors is an integer number (5994384).

Almost surely, 2^23228207 is an apocalyptic number.

23228207 is a deficient number, since it is larger than the sum of its proper divisors (749329).

23228207 is an equidigital number, since it uses as much as digits as its factorization.

23228207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749328.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 23228207 is about 4819.5650218666. The cubic root of 23228207 is about 285.3241699693.

The spelling of 23228207 in words is "twenty-three million, two hundred twenty-eight thousand, two hundred seven".