23231222 has 8 divisors (see below), whose sum is σ = 39824976. Its totient is φ = 9956232.

The previous prime is 23231213. The next prime is 23231237. The reversal of 23231222 is 22213232.

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

It is a super-2 number, since 2×23231222² = 1079379351226568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23231222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829673 + ... + 829700.

It is an arithmetic number, because the mean of its divisors is an integer number (4978122).

Almost surely, 2^23231222 is an apocalyptic number.

23231222 is a deficient number, since it is larger than the sum of its proper divisors (16593754).

23231222 is a wasteful number, since it uses less digits than its factorization.

23231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659382.

The product of its digits is 288, while the sum is 17.

The square root of 23231222 is about 4819.8777992808. The cubic root of 23231222 is about 285.3365143738.

Adding to 23231222 its reverse (22213232), we get a palindrome (45444454).

The spelling of 23231222 in words is "twenty-three million, two hundred thirty-one thousand, two hundred twenty-two".