222320145031 has 2 divisors, whose sum is σ = 222320145032. Its totient is φ = 222320145030.

The previous prime is 222320145023. The next prime is 222320145037. The reversal of 222320145031 is 130541023222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222320145031 - 2³ = 222320145023 is a prime.

It is a super-2 number, since 2×222320145031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222320144987 and 222320145005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222320145037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160072515 + 111160072516.

It is an arithmetic number, because the mean of its divisors is an integer number (111160072516).

Almost surely, 2^222320145031 is an apocalyptic number.

222320145031 is a deficient number, since it is larger than the sum of its proper divisors (1).

222320145031 is an equidigital number, since it uses as much as digits as its factorization.

222320145031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 222320145031 its reverse (130541023222), we get a palindrome (352861168253).

The spelling of 222320145031 in words is "two hundred twenty-two billion, three hundred twenty million, one hundred forty-five thousand, thirty-one".