2221442203 has 4 divisors (see below), whose sum is σ = 2231228520. Its totient is φ = 2211655888.

The previous prime is 2221442147. The next prime is 2221442231. The reversal of 2221442203 is 3022441222.

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 2221442203 - 2²⁵ = 2187887771 is a prime.

It is a super-2 number, since 2×2221442203² = 9869610922538986418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221442243) 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, 4892818 + ... + 4893271.

It is an arithmetic number, because the mean of its divisors is an integer number (557807130).

Almost surely, 2^2221442203 is an apocalyptic number.

2221442203 is a deficient number, since it is larger than the sum of its proper divisors (9786317).

2221442203 is an equidigital number, since it uses as much as digits as its factorization.

2221442203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9786316.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2221442203 is about 47132.1779997487. The cubic root of 2221442203 is about 1304.8031789211.

Adding to 2221442203 its reverse (3022441222), we get a palindrome (5243883425).

The spelling of 2221442203 in words is "two billion, two hundred twenty-one million, four hundred forty-two thousand, two hundred three".