23390222 has 8 divisors (see below), whose sum is σ = 35566176. Its totient is φ = 11534832.

The previous prime is 23390221. The next prime is 23390239. The reversal of 23390222 is 22209332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23390221) 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, 79958 + ... + 80249.

It is an arithmetic number, because the mean of its divisors is an integer number (4445772).

Almost surely, 2^23390222 is an apocalyptic number.

23390222 is a deficient number, since it is larger than the sum of its proper divisors (12175954).

23390222 is a wasteful number, since it uses less digits than its factorization.

23390222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160282.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23390222 is about 4836.3438670136. The cubic root of 23390222 is about 285.9860051509.

Adding to 23390222 its reverse (22209332), we get a palindrome (45599554).

The spelling of 23390222 in words is "twenty-three million, three hundred ninety thousand, two hundred twenty-two".