1331303233222 has 4 divisors (see below), whose sum is σ = 1996954849836. Its totient is φ = 665651616610.

The previous prime is 1331303233217. The next prime is 1331303233223. The reversal of 1331303233222 is 2223323031331.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331303233223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332825808304 + ... + 332825808307.

It is an arithmetic number, because the mean of its divisors is an integer number (499238712459).

Almost surely, 2^{1331303233222} is an apocalyptic number.

1331303233222 is a deficient number, since it is larger than the sum of its proper divisors (665651616614).

1331303233222 is an equidigital number, since it uses as much as digits as its factorization.

1331303233222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665651616613.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 1331303233222 its reverse (2223323031331), we get a palindrome (3554626264553).

The spelling of 1331303233222 in words is "one trillion, three hundred thirty-one billion, three hundred three million, two hundred thirty-three thousand, two hundred twenty-two".