23222444 has 24 divisors (see below), whose sum is σ = 46559520. Its totient is φ = 9927936.

The previous prime is 23222431. The next prime is 23222461. The reversal of 23222444 is 44422232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14852 + ... + 16340.

It is an arithmetic number, because the mean of its divisors is an integer number (1939980).

Almost surely, 2^23222444 is an apocalyptic number.

It is an amenable number.

23222444 is an abundant number, since it is smaller than the sum of its proper divisors (23337076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23222444 is a wasteful number, since it uses less digits than its factorization.

23222444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057 (or 2055 counting only the distinct ones).

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

The square root of 23222444 is about 4818.9671092465. The cubic root of 23222444 is about 285.3005713736.

Adding to 23222444 its reverse (44422232), we get a palindrome (67644676).

The spelling of 23222444 in words is "twenty-three million, two hundred twenty-two thousand, four hundred forty-four".