22448866 has 16 divisors (see below), whose sum is σ = 37101888. Its totient is φ = 10102000.

The previous prime is 22448863. The next prime is 22448869. The reversal of 22448866 is 66884422.

It is an interprime number because it is at equal distance from previous prime (22448863) and next prime (22448869).

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22448863) 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, 2830 + ... + 7273.

It is an arithmetic number, because the mean of its divisors is an integer number (2318868).

Almost surely, 2^22448866 is an apocalyptic number.

22448866 is a deficient number, since it is larger than the sum of its proper divisors (14653022).

22448866 is a wasteful number, since it uses less digits than its factorization.

22448866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10217.

The product of its digits is 147456, while the sum is 40.

The square root of 22448866 is about 4738.0234275487. The cubic root of 22448866 is about 282.0967845112.

Subtracting 22448866 from its reverse (66884422), we obtain a square (44435556 = 6666²).

The spelling of 22448866 in words is "twenty-two million, four hundred forty-eight thousand, eight hundred sixty-six".