23204222 has 4 divisors (see below), whose sum is σ = 34806336. Its totient is φ = 11602110.

The previous prime is 23204183. The next prime is 23204231. The reversal of 23204222 is 22240232.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23204222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5801054 + ... + 5801057.

It is an arithmetic number, because the mean of its divisors is an integer number (8701584).

Almost surely, 2^23204222 is an apocalyptic number.

23204222 is a deficient number, since it is larger than the sum of its proper divisors (11602114).

23204222 is a wasteful number, since it uses less digits than its factorization.

23204222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11602113.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 23204222 is about 4817.0760840991. The cubic root of 23204222 is about 285.2259293968.

Adding to 23204222 its reverse (22240232), we get a palindrome (45444454).

The spelling of 23204222 in words is "twenty-three million, two hundred four thousand, two hundred twenty-two".