22141866 has 24 divisors (see below), whose sum is σ = 44838144. Its totient is φ = 7289160.

The previous prime is 22141853. The next prime is 22141891. The reversal of 22141866 is 66814122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115831 + ... + 116021.

It is an arithmetic number, because the mean of its divisors is an integer number (1868256).

Almost surely, 2^22141866 is an apocalyptic number.

22141866 is an abundant number, since it is smaller than the sum of its proper divisors (22696278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22141866 is a wasteful number, since it uses less digits than its factorization.

22141866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 335 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 22141866 is about 4705.5144245874. The cubic root of 22141866 is about 280.8049371702.

Adding to 22141866 its reverse (66814122), we get a palindrome (88955988).

The spelling of 22141866 in words is "twenty-two million, one hundred forty-one thousand, eight hundred sixty-six".