222816203 has 4 divisors (see below), whose sum is σ = 232503888. Its totient is φ = 213128520.

The previous prime is 222816179. The next prime is 222816241. The reversal of 222816203 is 302618222.

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 222816203 - 2²⁰ = 221767627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222816283) 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, 4843808 + ... + 4843853.

It is an arithmetic number, because the mean of its divisors is an integer number (58125972).

Almost surely, 2^222816203 is an apocalyptic number.

222816203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

222816203 is a deficient number, since it is larger than the sum of its proper divisors (9687685).

222816203 is an equidigital number, since it uses as much as digits as its factorization.

222816203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9687684.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 222816203 is about 14927.0292757802. The cubic root of 222816203 is about 606.2460515136.

The spelling of 222816203 in words is "two hundred twenty-two million, eight hundred sixteen thousand, two hundred three".