23444222 has 12 divisors (see below), whose sum is σ = 36763440. Its totient is φ = 11211948.

The previous prime is 23444189. The next prime is 23444231. The reversal of 23444222 is 22244432.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10022 + ... + 12137.

It is an arithmetic number, because the mean of its divisors is an integer number (3063620).

Almost surely, 2^23444222 is an apocalyptic number.

23444222 is a deficient number, since it is larger than the sum of its proper divisors (13319218).

23444222 is a wasteful number, since it uses less digits than its factorization.

23444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22207 (or 22184 counting only the distinct ones).

The product of its digits is 3072, while the sum is 23.

The square root of 23444222 is about 4841.9233781629. The cubic root of 23444222 is about 286.2059172023.

Adding to 23444222 its reverse (22244432), we get a palindrome (45688654).

The spelling of 23444222 in words is "twenty-three million, four hundred forty-four thousand, two hundred twenty-two".