2221233412 has 6 divisors (see below), whose sum is σ = 3887158478. Its totient is φ = 1110616704.

The previous prime is 2221233407. The next prime is 2221233439. The reversal of 2221233412 is 2143321222.

It can be written as a sum of positive squares in only one way, i.e., 1967277316 + 253956096 = 44354^2 + 15936^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277654173 + ... + 277654180.

Almost surely, 2^2221233412 is an apocalyptic number.

It is an amenable number.

2221233412 is a deficient number, since it is larger than the sum of its proper divisors (1665925066).

2221233412 is a wasteful number, since it uses less digits than its factorization.

2221233412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555308357 (or 555308355 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 2221233412 is about 47129.9629959541. The cubic root of 2221233412 is about 1304.7622986173.

Adding to 2221233412 its reverse (2143321222), we get a palindrome (4364554634).

The spelling of 2221233412 in words is "two billion, two hundred twenty-one million, two hundred thirty-three thousand, four hundred twelve".