23132222 has 8 divisors (see below), whose sum is σ = 34784400. Its totient is φ = 11537424.

The previous prime is 23132209. The next prime is 23132233. The reversal of 23132222 is 22223132.

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 23132222.

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, 13322 + ... + 14957.

It is an arithmetic number, because the mean of its divisors is an integer number (4348050).

Almost surely, 2^23132222 is an apocalyptic number.

23132222 is a deficient number, since it is larger than the sum of its proper divisors (11652178).

23132222 is a wasteful number, since it uses less digits than its factorization.

23132222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28690.

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

The square root of 23132222 is about 4809.5968646031. The cubic root of 23132222 is about 284.9306161250.

Adding to 23132222 its reverse (22223132), we get a palindrome (45355354).

The spelling of 23132222 in words is "twenty-three million, one hundred thirty-two thousand, two hundred twenty-two".