22226390 has 16 divisors (see below), whose sum is σ = 42113520. Its totient is φ = 8422560.

The previous prime is 22226389. The next prime is 22226419. The reversal of 22226390 is 9362222.

It is a Curzon number.

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, 58301 + ... + 58680.

It is an arithmetic number, because the mean of its divisors is an integer number (2632095).

Almost surely, 2^22226390 is an apocalyptic number.

22226390 is a deficient number, since it is larger than the sum of its proper divisors (19887130).

22226390 is a wasteful number, since it uses less digits than its factorization.

22226390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117007.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 22226390 is about 4714.4872467746. The cubic root of 22226390 is about 281.1617968682.

The spelling of 22226390 in words is "twenty-two million, two hundred twenty-six thousand, three hundred ninety".