22198603 has 8 divisors (see below), whose sum is σ = 25399008. Its totient is φ = 19005504.

The previous prime is 22198591. The next prime is 22198607. The reversal of 22198603 is 30689122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22198603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22198607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8925 + ... + 11137.

It is an arithmetic number, because the mean of its divisors is an integer number (3174876).

Almost surely, 2^22198603 is an apocalyptic number.

22198603 is a deficient number, since it is larger than the sum of its proper divisors (3200405).

22198603 is a wasteful number, since it uses less digits than its factorization.

22198603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 22198603 is about 4711.5393450549. The cubic root of 22198603 is about 281.0445803394.

It can be divided in two parts, 22198 and 603, that added together give a square (22801 = 151²).

The spelling of 22198603 in words is "twenty-two million, one hundred ninety-eight thousand, six hundred three".