23222319 has 4 divisors (see below), whose sum is σ = 30963096. Its totient is φ = 15481544.

The previous prime is 23222299. The next prime is 23222363. The reversal of 23222319 is 91322232.

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 23222319 - 2⁷ = 23222191 is a prime.

It is a super-2 number, since 2×23222319² = 1078552199475522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222369) 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, 3870384 + ... + 3870389.

It is an arithmetic number, because the mean of its divisors is an integer number (7740774).

Almost surely, 2^23222319 is an apocalyptic number.

23222319 is a deficient number, since it is larger than the sum of its proper divisors (7740777).

23222319 is an equidigital number, since it uses as much as digits as its factorization.

23222319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740776.

The product of its digits is 1296, while the sum is 24.

The square root of 23222319 is about 4818.9541396448. The cubic root of 23222319 is about 285.3000594746.

The spelling of 23222319 in words is "twenty-three million, two hundred twenty-two thousand, three hundred nineteen".