22223016 has 48 divisors (see below), whose sum is σ = 60964800. Its totient is φ = 7312032.

The previous prime is 22223011. The next prime is 22223017. The reversal of 22223016 is 61032222.

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 22223016.

It is not an unprimeable number, because it can be changed into a prime (22223011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3735 + ... + 7641.

It is an arithmetic number, because the mean of its divisors is an integer number (1270100).

Almost surely, 2^22223016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22223016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30482400).

22223016 is an abundant number, since it is smaller than the sum of its proper divisors (38741784).

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

22223016 is a wasteful number, since it uses less digits than its factorization.

22223016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998 (or 3991 counting only the distinct ones).

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

The square root of 22223016 is about 4714.1294000059. The cubic root of 22223016 is about 281.1475692179.

Adding to 22223016 its reverse (61032222), we get a palindrome (83255238).

The spelling of 22223016 in words is "twenty-two million, two hundred twenty-three thousand, sixteen".