222230131 has 2 divisors, whose sum is σ = 222230132. Its totient is φ = 222230130.

The previous prime is 222230123. The next prime is 222230153. The reversal of 222230131 is 131032222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222230131 - 2³ = 222230123 is a prime.

It is a super-2 number, since 2×222230131² = 98772462248554322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222230101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111115065 + 111115066.

It is an arithmetic number, because the mean of its divisors is an integer number (111115066).

Almost surely, 2^222230131 is an apocalyptic number.

222230131 is a deficient number, since it is larger than the sum of its proper divisors (1).

222230131 is an equidigital number, since it uses as much as digits as its factorization.

222230131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 222230131 is about 14907.3851161094. The cubic root of 222230131 is about 605.7140497936.

Adding to 222230131 its reverse (131032222), we get a palindrome (353262353).

The spelling of 222230131 in words is "two hundred twenty-two million, two hundred thirty thousand, one hundred thirty-one".