22273203 has 4 divisors (see below), whose sum is σ = 29697608. Its totient is φ = 14848800.

The previous prime is 22273201. The next prime is 22273217. The reversal of 22273203 is 30237222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22273203 - 2¹ = 22273201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22273203.

It is not an unprimeable number, because it can be changed into a prime (22273201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3712198 + ... + 3712203.

It is an arithmetic number, because the mean of its divisors is an integer number (7424402).

Almost surely, 2^22273203 is an apocalyptic number.

22273203 is a deficient number, since it is larger than the sum of its proper divisors (7424405).

22273203 is an equidigital number, since it uses as much as digits as its factorization.

22273203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7424404.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 22273203 is about 4719.4494382290. The cubic root of 22273203 is about 281.3590518342.

The spelling of 22273203 in words is "twenty-two million, two hundred seventy-three thousand, two hundred three".