2221197803 has 4 divisors (see below), whose sum is σ = 2423124888. Its totient is φ = 2019270720.

The previous prime is 2221197751. The next prime is 2221197817. The reversal of 2221197803 is 3087911222.

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 2221197803 - 2⁶ = 2221197739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221197103) 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, 100963526 + ... + 100963547.

It is an arithmetic number, because the mean of its divisors is an integer number (605781222).

Almost surely, 2^2221197803 is an apocalyptic number.

2221197803 is a deficient number, since it is larger than the sum of its proper divisors (201927085).

2221197803 is a wasteful number, since it uses less digits than its factorization.

2221197803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201927084.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 2221197803 is about 47129.5852199019. The cubic root of 2221197803 is about 1304.7553262855.

It can be divided in two parts, 222119 and 7803, that added together give a palindrome (229922).

The spelling of 2221197803 in words is "two billion, two hundred twenty-one million, one hundred ninety-seven thousand, eight hundred three".