22022066 has 8 divisors (see below), whose sum is σ = 36036144. Its totient is φ = 10010020.

The previous prime is 22022057. The next prime is 22022069. The reversal of 22022066 is 66022022.

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

It is not an unprimeable number, because it can be changed into a prime (22022069) 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, 500480 + ... + 500523.

It is an arithmetic number, because the mean of its divisors is an integer number (4504518).

Almost surely, 2^22022066 is an apocalyptic number.

22022066 is a deficient number, since it is larger than the sum of its proper divisors (14014078).

22022066 is a wasteful number, since it uses less digits than its factorization.

22022066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001016.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22022066 is about 4692.7674137975. The cubic root of 22022066 is about 280.2975832771.

Adding to 22022066 its reverse (66022022), we get a palindrome (88044088).

The spelling of 22022066 in words is "twenty-two million, twenty-two thousand, sixty-six".