222112087 has 2 divisors, whose sum is σ = 222112088. Its totient is φ = 222112086.

The previous prime is 222112061. The next prime is 222112141. The reversal of 222112087 is 780211222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222112087 - 2¹¹ = 222110039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056043 + 111056044.

It is an arithmetic number, because the mean of its divisors is an integer number (111056044).

Almost surely, 2^222112087 is an apocalyptic number.

222112087 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112087 is an equidigital number, since it uses as much as digits as its factorization.

222112087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 222112087 is about 14903.4253445307. The cubic root of 222112087 is about 605.6067832517.

The spelling of 222112087 in words is "two hundred twenty-two million, one hundred twelve thousand, eighty-seven".