1220222232223 has 2 divisors, whose sum is σ = 1220222232224. Its totient is φ = 1220222232222.

The previous prime is 1220222232217. The next prime is 1220222232227. The reversal of 1220222232223 is 3222322220221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220222232223 - 2²⁵ = 1220188677791 is a prime.

It is a super-2 number, since 2×1220222232223² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220222232227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610111116111 + 610111116112.

It is an arithmetic number, because the mean of its divisors is an integer number (610111116112).

Almost surely, 2^{1220222232223} is an apocalyptic number.

1220222232223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220222232223 is an equidigital number, since it uses as much as digits as its factorization.

1220222232223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 1220222232223 its reverse (3222322220221), we get a palindrome (4442544452444).

The spelling of 1220222232223 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred thirty-two thousand, two hundred twenty-three".