22218010 has 16 divisors (see below), whose sum is σ = 41283072. Its totient is φ = 8600400.

The previous prime is 22217999. The next prime is 22218037. The reversal of 22218010 is 1081222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35526 + ... + 36145.

It is an arithmetic number, because the mean of its divisors is an integer number (2580192).

Almost surely, 2^22218010 is an apocalyptic number.

22218010 is a deficient number, since it is larger than the sum of its proper divisors (19065062).

22218010 is a wasteful number, since it uses less digits than its factorization.

22218010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71709.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 22218010 is about 4713.5984131022. The cubic root of 22218010 is about 281.1264570157.

Adding to 22218010 its reverse (1081222), we get a palindrome (23299232).

The spelling of 22218010 in words is "twenty-two million, two hundred eighteen thousand, ten".