22036666 has 8 divisors (see below), whose sum is σ = 33453504. Its totient is φ = 10885500.

The previous prime is 22036661. The next prime is 22036697. The reversal of 22036666 is 66663022.

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

It is a super-2 number, since 2×22036666² = 971229296791112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22036661) 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, 66210 + ... + 66541.

It is an arithmetic number, because the mean of its divisors is an integer number (4181688).

Almost surely, 2^22036666 is an apocalyptic number.

22036666 is a deficient number, since it is larger than the sum of its proper divisors (11416838).

22036666 is a wasteful number, since it uses less digits than its factorization.

22036666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132836.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 22036666 is about 4694.3227413547. The cubic root of 22036666 is about 280.3595126873.

Adding to 22036666 its reverse (66663022), we get a palindrome (88699688).

The spelling of 22036666 in words is "twenty-two million, thirty-six thousand, six hundred sixty-six".