23206229 has 4 divisors (see below), whose sum is σ = 23290284. Its totient is φ = 23122176.

The previous prime is 23206213. The next prime is 23206237. The reversal of 23206229 is 92260232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15225604 + 7980625 = 3902^2 + 2825^2 .

It is a cyclic number.

It is not a de Polignac number, because 23206229 - 2⁴ = 23206213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23206198 and 23206207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23206129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41612 + ... + 42165.

It is an arithmetic number, because the mean of its divisors is an integer number (5822571).

Almost surely, 2^23206229 is an apocalyptic number.

It is an amenable number.

23206229 is a deficient number, since it is larger than the sum of its proper divisors (84055).

23206229 is an equidigital number, since it uses as much as digits as its factorization.

23206229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84054.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23206229 is about 4817.2844009878. The cubic root of 23206229 is about 285.2341524971.

The spelling of 23206229 in words is "twenty-three million, two hundred six thousand, two hundred twenty-nine".