22280193 has 24 divisors (see below), whose sum is σ = 35321832. Its totient is φ = 13448448.

The previous prime is 22280191. The next prime is 22280197. The reversal of 22280193 is 39108222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1046529 + 21233664 = 1023^2 + 4608^2 .

It is not a de Polignac number, because 22280193 - 2¹ = 22280191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22280191) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4405 + ... + 7997.

It is an arithmetic number, because the mean of its divisors is an integer number (1471743).

Almost surely, 2^22280193 is an apocalyptic number.

It is an amenable number.

22280193 is a deficient number, since it is larger than the sum of its proper divisors (13041639).

22280193 is a wasteful number, since it uses less digits than its factorization.

22280193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665 (or 3662 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 22280193 is about 4720.1899326192. The cubic root of 22280193 is about 281.3884817292.

The spelling of 22280193 in words is "twenty-two million, two hundred eighty thousand, one hundred ninety-three".