22612066 has 16 divisors (see below), whose sum is σ = 34882848. Its totient is φ = 10987200.

The previous prime is 22612063. The next prime is 22612067. The reversal of 22612066 is 66021622.

It is a super-2 number, since 2×22612066² = 1022611057576712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22612066.

It is not an unprimeable number, because it can be changed into a prime (22612061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20181 + ... + 21271.

It is an arithmetic number, because the mean of its divisors is an integer number (2180178).

Almost surely, 2^22612066 is an apocalyptic number.

22612066 is a deficient number, since it is larger than the sum of its proper divisors (12270782).

22612066 is a wasteful number, since it uses less digits than its factorization.

22612066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 22612066 is about 4755.2146113504. The cubic root of 22612066 is about 282.7787355130.

Adding to 22612066 its reverse (66021622), we get a palindrome (88633688).

The spelling of 22612066 in words is "twenty-two million, six hundred twelve thousand, sixty-six".