222231101334461 has 2 divisors, whose sum is σ = 222231101334462. Its totient is φ = 222231101334460.

The previous prime is 222231101334457. The next prime is 222231101334497. The reversal of 222231101334461 is 164433101132222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137381395602361 + 84849705732100 = 11720981^2 + 9211390^2 .

It is a cyclic number.

It is not a de Polignac number, because 222231101334461 - 2² = 222231101334457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222231101334961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111115550667230 + 111115550667231.

It is an arithmetic number, because the mean of its divisors is an integer number (111115550667231).

Almost surely, 2^{222231101334461} is an apocalyptic number.

It is an amenable number.

222231101334461 is a deficient number, since it is larger than the sum of its proper divisors (1).

222231101334461 is an equidigital number, since it uses as much as digits as its factorization.

222231101334461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 222231101334461 its reverse (164433101132222), we get a palindrome (386664202466683).

The spelling of 222231101334461 in words is "two hundred twenty-two trillion, two hundred thirty-one billion, one hundred one million, three hundred thirty-four thousand, four hundred sixty-one".