221331222332 has 24 divisors (see below), whose sum is σ = 422564367792. Its totient is φ = 100599638400.

The previous prime is 221331222313. The next prime is 221331222353. The reversal of 221331222332 is 233222133122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747248 + ... + 1000520.

It is an arithmetic number, because the mean of its divisors is an integer number (17606848658).

Almost surely, 2^221331222332 is an apocalyptic number.

221331222332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221331222332 is a deficient number, since it is larger than the sum of its proper divisors (201233145460).

221331222332 is a wasteful number, since it uses less digits than its factorization.

221331222332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273149 (or 273147 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

Adding to 221331222332 its reverse (233222133122), we get a palindrome (454553355454).

The spelling of 221331222332 in words is "two hundred twenty-one billion, three hundred thirty-one million, two hundred twenty-two thousand, three hundred thirty-two".