23321222 has 8 divisors (see below), whose sum is σ = 35795496. Its totient is φ = 11389392.

The previous prime is 23321213. The next prime is 23321231. The reversal of 23321222 is 22212332.

It is an interprime number because it is at equal distance from previous prime (23321213) and next prime (23321231).

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

It is a self number, because there is not a number n which added to its sum of digits gives 23321222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135503 + ... + 135674.

It is an arithmetic number, because the mean of its divisors is an integer number (4474437).

Almost surely, 2^23321222 is an apocalyptic number.

23321222 is a deficient number, since it is larger than the sum of its proper divisors (12474274).

23321222 is a wasteful number, since it uses less digits than its factorization.

23321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271222.

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

The square root of 23321222 is about 4829.2051105746. The cubic root of 23321222 is about 285.7045133086.

Adding to 23321222 its reverse (22212332), we get a palindrome (45533554).

The spelling of 23321222 in words is "twenty-three million, three hundred twenty-one thousand, two hundred twenty-two".