1223222330331 has 20 divisors (see below), whose sum is σ = 1923455518600. Its totient is φ = 772561470816.

The previous prime is 1223222330263. The next prime is 1223222330347. The reversal of 1223222330331 is 1330332223221.

1223222330331 is a `hidden beast` number, since 1 + 2 + 2 + 322 + 2 + 3 + 3 + 0 + 331 = 666.

It is not a de Polignac number, because 1223222330331 - 2⁷ = 1223222330203 is a prime.

It is a super-2 number, since 2×1223222330331² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223222330295 and 1223222330304.

It is not an unprimeable number, because it can be changed into a prime (1223222330131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 397406626 + ... + 397409703.

It is an arithmetic number, because the mean of its divisors is an integer number (96172775930).

Almost surely, 2^{1223222330331} is an apocalyptic number.

1223222330331 is a deficient number, since it is larger than the sum of its proper divisors (700233188269).

1223222330331 is an equidigital number, since it uses as much as digits as its factorization.

1223222330331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794816360 (or 794816351 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1223222330331 its reverse (1330332223221), we get a palindrome (2553554553552).

The spelling of 1223222330331 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-two million, three hundred thirty thousand, three hundred thirty-one".