23222229 has 4 divisors (see below), whose sum is σ = 30962976. Its totient is φ = 15481484.

The previous prime is 23222219. The next prime is 23222231. The reversal of 23222229 is 92222232.

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 cyclic number.

It is not a de Polignac number, because 23222229 - 2⁵ = 23222197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23222199 and 23222208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222219) 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, 3870369 + ... + 3870374.

It is an arithmetic number, because the mean of its divisors is an integer number (7740744).

Almost surely, 2^23222229 is an apocalyptic number.

It is an amenable number.

23222229 is a deficient number, since it is larger than the sum of its proper divisors (7740747).

23222229 is an equidigital number, since it uses as much as digits as its factorization.

23222229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740746.

The product of its digits is 1728, while the sum is 24.

The square root of 23222229 is about 4818.9448015100. The cubic root of 23222229 is about 285.2996909062.

The spelling of 23222229 in words is "twenty-three million, two hundred twenty-two thousand, two hundred twenty-nine".