22216002 has 16 divisors (see below), whose sum is σ = 44932320. Its totient is φ = 7321952.

The previous prime is 22215989. The next prime is 22216009. The reversal of 22216002 is 20061222.

It is not an unprimeable number, because it can be changed into a prime (22216009) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20268 + ... + 21335.

It is an arithmetic number, because the mean of its divisors is an integer number (2808270).

Almost surely, 2^22216002 is an apocalyptic number.

22216002 is an abundant number, since it is smaller than the sum of its proper divisors (22716318).

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

22216002 is a wasteful number, since it uses less digits than its factorization.

22216002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41697.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22216002 is about 4713.3854075388. The cubic root of 22216002 is about 281.1179876263.

Adding to 22216002 its reverse (20061222), we get a palindrome (42277224).

The spelling of 22216002 in words is "twenty-two million, two hundred sixteen thousand, two".