222112185007 has 2 divisors, whose sum is σ = 222112185008. Its totient is φ = 222112185006.

The previous prime is 222112184989. The next prime is 222112185017. The reversal of 222112185007 is 700581211222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222112185007 - 2²³ = 222103796399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222112185007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112185017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056092503 + 111056092504.

It is an arithmetic number, because the mean of its divisors is an integer number (111056092504).

Almost surely, 2^222112185007 is an apocalyptic number.

222112185007 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112185007 is an equidigital number, since it uses as much as digits as its factorization.

222112185007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 31.

Adding to 222112185007 its reverse (700581211222), we get a palindrome (922693396229).

The spelling of 222112185007 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred eighty-five thousand, seven".