222222110087 has 2 divisors, whose sum is σ = 222222110088. Its totient is φ = 222222110086.

The previous prime is 222222110081. The next prime is 222222110101. The reversal of 222222110087 is 780011222222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222222110087 - 2⁸ = 222222109831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222222110081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111055043 + 111111055044.

It is an arithmetic number, because the mean of its divisors is an integer number (111111055044).

Almost surely, 2^222222110087 is an apocalyptic number.

222222110087 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222110087 is an equidigital number, since it uses as much as digits as its factorization.

222222110087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 29.

The spelling of 222222110087 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred ten thousand, eighty-seven".