131332222 has 8 divisors (see below), whose sum is σ = 225140976. Its totient is φ = 56285232.

The previous prime is 131332211. The next prime is 131332273. The reversal of 131332222 is 222233131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 131332222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4690423 + ... + 4690450.

It is an arithmetic number, because the mean of its divisors is an integer number (28142622).

Almost surely, 2^131332222 is an apocalyptic number.

131332222 is a deficient number, since it is larger than the sum of its proper divisors (93808754).

131332222 is an equidigital number, since it uses as much as digits as its factorization.

131332222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380882.

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

The square root of 131332222 is about 11460.0271378387. The cubic root of 131332222 is about 508.3042770695.

Adding to 131332222 its reverse (222233131), we get a palindrome (353565353).

Subtracting 131332222 from its reverse (222233131), we obtain a palindrome (90900909).

The spelling of 131332222 in words is "one hundred thirty-one million, three hundred thirty-two thousand, two hundred twenty-two".