2212220203 has 4 divisors (see below), whose sum is σ = 2219426440. Its totient is φ = 2205013968.

The previous prime is 2212220147. The next prime is 2212220237. The reversal of 2212220203 is 3020222122.

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 2212220203 - 2¹³ = 2212212011 is a prime.

It is a super-2 number, since 2×2212220203² = 9787836453122722418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212220243) 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, 3602658 + ... + 3603271.

It is an arithmetic number, because the mean of its divisors is an integer number (554856610).

Almost surely, 2^2212220203 is an apocalyptic number.

2212220203 is a deficient number, since it is larger than the sum of its proper divisors (7206237).

2212220203 is an equidigital number, since it uses as much as digits as its factorization.

2212220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7206236.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2212220203 is about 47034.2450029763. The cubic root of 2212220203 is about 1302.9951066161.

Adding to 2212220203 its reverse (3020222122), we get a palindrome (5232442325).

The spelling of 2212220203 in words is "two billion, two hundred twelve million, two hundred twenty thousand, two hundred three".