2231220303 has 24 divisors (see below), whose sum is σ = 3579348240. Its totient is φ = 1373055840.

The previous prime is 2231220283. The next prime is 2231220307. The reversal of 2231220303 is 3030221322.

It is a happy number.

It is not a de Polignac number, because 2231220303 - 2¹⁰ = 2231219279 is a prime.

It is a super-3 number, since 3×2231220303³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231220307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239928 + ... + 249053.

It is an arithmetic number, because the mean of its divisors is an integer number (149139510).

Almost surely, 2^2231220303 is an apocalyptic number.

2231220303 is a deficient number, since it is larger than the sum of its proper divisors (1348127937).

2231220303 is a wasteful number, since it uses less digits than its factorization.

2231220303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489016 (or 488997 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2231220303 is about 47235.7947217997. The cubic root of 2231220303 is about 1306.7148232185.

Adding to 2231220303 its reverse (3030221322), we get a palindrome (5261441625).

The spelling of 2231220303 in words is "two billion, two hundred thirty-one million, two hundred twenty thousand, three hundred three".