22242266 has 8 divisors (see below), whose sum is σ = 34139424. Its totient is φ = 10862460.

The previous prime is 22242263. The next prime is 22242277. The reversal of 22242266 is 66224222.

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 (22242263) 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, 129230 + ... + 129401.

It is an arithmetic number, because the mean of its divisors is an integer number (4267428).

Almost surely, 2^22242266 is an apocalyptic number.

22242266 is a deficient number, since it is larger than the sum of its proper divisors (11897158).

22242266 is a wasteful number, since it uses less digits than its factorization.

22242266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258676.

The product of its digits is 4608, while the sum is 26.

The square root of 22242266 is about 4716.1706924156. The cubic root of 22242266 is about 281.2287242507.

Adding to 22242266 its reverse (66224222), we get a palindrome (88466488).

The spelling of 22242266 in words is "twenty-two million, two hundred forty-two thousand, two hundred sixty-six".