22226399 has 8 divisors (see below), whose sum is σ = 24493392. Its totient is φ = 20039040.

The previous prime is 22226389. The next prime is 22226419. The reversal of 22226399 is 99362222.

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

It is a cyclic number.

It is not a de Polignac number, because 22226399 - 2²⁰ = 21177823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22226329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19322 + ... + 20439.

It is an arithmetic number, because the mean of its divisors is an integer number (3061674).

Almost surely, 2^22226399 is an apocalyptic number.

22226399 is a deficient number, since it is larger than the sum of its proper divisors (2266993).

22226399 is a wasteful number, since it uses less digits than its factorization.

22226399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39817.

The product of its digits is 23328, while the sum is 35.

The square root of 22226399 is about 4714.4882012791. The cubic root of 22226399 is about 281.1618348179.

The spelling of 22226399 in words is "twenty-two million, two hundred twenty-six thousand, three hundred ninety-nine".