2231322330 has 16 divisors (see below), whose sum is σ = 5355173664. Its totient is φ = 595019280.

The previous prime is 2231322221. The next prime is 2231322337. The reversal of 2231322330 is 332231322.

It is a super-3 number, since 3×2231322330³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2231322297 and 2231322306.

It is not an unprimeable number, because it can be changed into a prime (2231322337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37188676 + ... + 37188735.

It is an arithmetic number, because the mean of its divisors is an integer number (334698354).

Almost surely, 2^2231322330 is an apocalyptic number.

2231322330 is an abundant number, since it is smaller than the sum of its proper divisors (3123851334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231322330 is a wasteful number, since it uses less digits than its factorization.

2231322330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74377421.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2231322330 is about 47236.8746849323. The cubic root of 2231322330 is about 1306.7347402958.

Adding to 2231322330 its reverse (332231322), we get a palindrome (2563553652).

The spelling of 2231322330 in words is "two billion, two hundred thirty-one million, three hundred twenty-two thousand, three hundred thirty".