2231220322 has 8 divisors (see below), whose sum is σ = 3365528400. Its totient is φ = 1109377524.

The previous prime is 2231220307. The next prime is 2231220323. The reversal of 2231220322 is 2230221322.

2231220322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2231220322³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231220322.

It is not an unprimeable number, because it can be changed into a prime (2231220323) 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, 3115872 + ... + 3116587.

It is an arithmetic number, because the mean of its divisors is an integer number (420691050).

Almost surely, 2^2231220322 is an apocalyptic number.

2231220322 is a deficient number, since it is larger than the sum of its proper divisors (1134308078).

2231220322 is a wasteful number, since it uses less digits than its factorization.

2231220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232640.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2231220322 is about 47235.7949229184. The cubic root of 2231220322 is about 1306.7148269277.

Adding to 2231220322 its reverse (2230221322), we get a palindrome (4461441644).

The spelling of 2231220322 in words is "two billion, two hundred thirty-one million, two hundred twenty thousand, three hundred twenty-two".