22136266 has 8 divisors (see below), whose sum is σ = 33604704. Its totient is φ = 10934700.

The previous prime is 22136243. The next prime is 22136291. The reversal of 22136266 is 66263122.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66510 + ... + 66841.

It is an arithmetic number, because the mean of its divisors is an integer number (4200588).

Almost surely, 2^22136266 is an apocalyptic number.

22136266 is a deficient number, since it is larger than the sum of its proper divisors (11468438).

22136266 is a wasteful number, since it uses less digits than its factorization.

22136266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133436.

The product of its digits is 5184, while the sum is 28.

The square root of 22136266 is about 4704.9193404351. The cubic root of 22136266 is about 280.7812619564.

Adding to 22136266 its reverse (66263122), we get a palindrome (88399388).

The spelling of 22136266 in words is "twenty-two million, one hundred thirty-six thousand, two hundred sixty-six".