23222016 has 54 divisors (see below), whose sum is σ = 66961440. Its totient is φ = 7739904.

The previous prime is 23221997. The next prime is 23222033. The reversal of 23222016 is 61022232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 23222016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2736 + ... + 7343.

Almost surely, 2^23222016 is an apocalyptic number.

It is an amenable number.

23222016 is an abundant number, since it is smaller than the sum of its proper divisors (43739424).

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

23222016 is a wasteful number, since it uses less digits than its factorization.

23222016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101 (or 10084 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 23222016 is about 4818.9227011854. The cubic root of 23222016 is about 285.2988186239.

Adding to 23222016 its reverse (61022232), we get a palindrome (84244248).

The spelling of 23222016 in words is "twenty-three million, two hundred twenty-two thousand, sixteen".