2231220302 has 16 divisors (see below), whose sum is σ = 3406804272. Its totient is φ = 1095673920.

The previous prime is 2231220283. The next prime is 2231220307. The reversal of 2231220302 is 2030221322.

It is a super-3 number, since 3×2231220302³ (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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69938 + ... + 96714.

It is an arithmetic number, because the mean of its divisors is an integer number (212925267).

Almost surely, 2^2231220302 is an apocalyptic number.

2231220302 is a deficient number, since it is larger than the sum of its proper divisors (1175583970).

2231220302 is a wasteful number, since it uses less digits than its factorization.

2231220302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27523.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2231220302 is about 47235.7947112145. The cubic root of 2231220302 is about 1306.7148230233.

Adding to 2231220302 its reverse (2030221322), we get a palindrome (4261441624).

The spelling of 2231220302 in words is "two billion, two hundred thirty-one million, two hundred twenty thousand, three hundred two".