22226639 has 8 divisors (see below), whose sum is σ = 22505472. Its totient is φ = 21949720.

The previous prime is 22226627. The next prime is 22226641. The reversal of 22226639 is 93662222.

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 22226639 - 2¹⁶ = 22161103 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 (22226339) 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, 49952 + ... + 50394.

It is an arithmetic number, because the mean of its divisors is an integer number (2813184).

Almost surely, 2^22226639 is an apocalyptic number.

22226639 is a deficient number, since it is larger than the sum of its proper divisors (278833).

22226639 is a wasteful number, since it uses less digits than its factorization.

22226639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957.

The product of its digits is 15552, while the sum is 32.

The square root of 22226639 is about 4714.5136546626. The cubic root of 22226639 is about 281.1628468066.

The spelling of 22226639 in words is "twenty-two million, two hundred twenty-six thousand, six hundred thirty-nine".