1223331331 has 8 divisors (see below), whose sum is σ = 1306339200. Its totient is φ = 1143045120.

The previous prime is 1223331313. The next prime is 1223331371. The reversal of 1223331331 is 1331333221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223331331 - 2²⁵ = 1189776899 is a prime.

It is a super-2 number, since 2×1223331331² = 2993079090812463122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223331371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679486 + ... + 681283.

It is an arithmetic number, because the mean of its divisors is an integer number (163292400).

Almost surely, 2^1223331331 is an apocalyptic number.

1223331331 is a deficient number, since it is larger than the sum of its proper divisors (83007869).

1223331331 is a wasteful number, since it uses less digits than its factorization.

1223331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360829.

The product of its digits is 972, while the sum is 22.

The square root of 1223331331 is about 34976.1537479466. The cubic root of 1223331331 is about 1069.5014217199.

Adding to 1223331331 its reverse (1331333221), we get a palindrome (2554664552).

The spelling of 1223331331 in words is "one billion, two hundred twenty-three million, three hundred thirty-one thousand, three hundred thirty-one".