22216202 has 8 divisors (see below), whose sum is σ = 33408612. Its totient is φ = 11080000.

The previous prime is 22216199. The next prime is 22216211. The reversal of 22216202 is 20261222.

It can be written as a sum of positive squares in 2 ways, for example, as 20259001 + 1957201 = 4501^2 + 1399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13049 + ... + 14652.

Almost surely, 2^22216202 is an apocalyptic number.

22216202 is a deficient number, since it is larger than the sum of its proper divisors (11192410).

22216202 is a wasteful number, since it uses less digits than its factorization.

22216202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28104.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 22216202 is about 4713.4066236640. The cubic root of 22216202 is about 281.1188312139.

Adding to 22216202 its reverse (20261222), we get a palindrome (42477424).

The spelling of 22216202 in words is "twenty-two million, two hundred sixteen thousand, two hundred two".