22198783 has 4 divisors (see below), whose sum is σ = 23367160. Its totient is φ = 21030408.

The previous prime is 22198777. The next prime is 22198801. The reversal of 22198783 is 38789122.

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

It is a cyclic number.

It is not a de Polignac number, because 22198783 - 2⁹ = 22198271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22198733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584160 + ... + 584197.

It is an arithmetic number, because the mean of its divisors is an integer number (5841790).

Almost surely, 2^22198783 is an apocalyptic number.

22198783 is a deficient number, since it is larger than the sum of its proper divisors (1168377).

22198783 is a wasteful number, since it uses less digits than its factorization.

22198783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168376.

The product of its digits is 48384, while the sum is 40.

The square root of 22198783 is about 4711.5584470534. The cubic root of 22198783 is about 281.0453399651.

The spelling of 22198783 in words is "twenty-two million, one hundred ninety-eight thousand, seven hundred eighty-three".