22232266 has 8 divisors (see below), whose sum is σ = 38112480. Its totient is φ = 9528108.

The previous prime is 22232257. The next prime is 22232267. The reversal of 22232266 is 66223222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22232266.

It is not an unprimeable number, because it can be changed into a prime (22232267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793996 + ... + 794023.

It is an arithmetic number, because the mean of its divisors is an integer number (4764060).

Almost surely, 2^22232266 is an apocalyptic number.

22232266 is a deficient number, since it is larger than the sum of its proper divisors (15880214).

22232266 is a wasteful number, since it uses less digits than its factorization.

22232266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588028.

The product of its digits is 3456, while the sum is 25.

The square root of 22232266 is about 4715.1103910725. The cubic root of 22232266 is about 281.1865716389.

Adding to 22232266 its reverse (66223222), we get a palindrome (88455488).

It can be divided in two parts, 2223 and 2266, that added together give a square (4489 = 67²).

The spelling of 22232266 in words is "twenty-two million, two hundred thirty-two thousand, two hundred sixty-six".