2231212330 has 8 divisors (see below), whose sum is σ = 4016182212. Its totient is φ = 892484928.

The previous prime is 2231212301. The next prime is 2231212339. The reversal of 2231212330 is 332121322.

2231212330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1895992849 + 335219481 = 43543^2 + 18309^2 .

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

It is a super-3 number, since 3×2231212330³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231212298 and 2231212307.

It is not an unprimeable number, because it can be changed into a prime (2231212339) 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, 111560607 + ... + 111560626.

Almost surely, 2^2231212330 is an apocalyptic number.

2231212330 is a deficient number, since it is larger than the sum of its proper divisors (1784969882).

2231212330 is a wasteful number, since it uses less digits than its factorization.

2231212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223121240.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2231212330 is about 47235.7103259811. The cubic root of 2231212330 is about 1306.7132667534.

Adding to 2231212330 its reverse (332121322), we get a palindrome (2563333652).

The spelling of 2231212330 in words is "two billion, two hundred thirty-one million, two hundred twelve thousand, three hundred thirty".