22243850 has 12 divisors (see below), whose sum is σ = 41373654. Its totient is φ = 8897520.

The previous prime is 22243849. The next prime is 22243867. The reversal of 22243850 is 5834222.

It can be written as a sum of positive squares in 3 ways, for example, as 19775809 + 2468041 = 4447^2 + 1571^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222389 + ... + 222488.

Almost surely, 2^22243850 is an apocalyptic number.

22243850 is a deficient number, since it is larger than the sum of its proper divisors (19129804).

22243850 is a wasteful number, since it uses less digits than its factorization.

22243850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444889 (or 444884 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 22243850 is about 4716.3386222789. The cubic root of 22243850 is about 281.2354000652.

The spelling of 22243850 in words is "twenty-two million, two hundred forty-three thousand, eight hundred fifty".