22226718 has 16 divisors (see below), whose sum is σ = 47068560. Its totient is φ = 6973056.

The previous prime is 22226681. The next prime is 22226741. The reversal of 22226718 is 81762222.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 108853 + ... + 109056.

It is an arithmetic number, because the mean of its divisors is an integer number (2941785).

Almost surely, 2^22226718 is an apocalyptic number.

22226718 is an abundant number, since it is smaller than the sum of its proper divisors (24841842).

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

22226718 is a wasteful number, since it uses less digits than its factorization.

22226718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217931.

The product of its digits is 5376, while the sum is 30.

The square root of 22226718 is about 4714.5220330379. The cubic root of 22226718 is about 281.1631799180.

The spelling of 22226718 in words is "twenty-two million, two hundred twenty-six thousand, seven hundred eighteen".