22663226 has 8 divisors (see below), whose sum is σ = 34145280. Its totient is φ = 11281468.

The previous prime is 22663213. The next prime is 22663229. The reversal of 22663226 is 62236622.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22663229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24506 + ... + 25413.

It is an arithmetic number, because the mean of its divisors is an integer number (4268160).

Almost surely, 2^22663226 is an apocalyptic number.

22663226 is a deficient number, since it is larger than the sum of its proper divisors (11482054).

22663226 is a wasteful number, since it uses less digits than its factorization.

22663226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50148.

The product of its digits is 10368, while the sum is 29.

The square root of 22663226 is about 4760.5909297061. The cubic root of 22663226 is about 282.9918380112.

Adding to 22663226 its reverse (62236622), we get a palindrome (84899848).

The spelling of 22663226 in words is "twenty-two million, six hundred sixty-three thousand, two hundred twenty-six".