222241087 has 2 divisors, whose sum is σ = 222241088. Its totient is φ = 222241086.

The previous prime is 222241073. The next prime is 222241133. The reversal of 222241087 is 780142222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222241087 - 2²⁷ = 88023359 is a prime.

It is a super-2 number, since 2×222241087² = 98782201501883138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222241067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111120543 + 111120544.

It is an arithmetic number, because the mean of its divisors is an integer number (111120544).

Almost surely, 2^222241087 is an apocalyptic number.

222241087 is a deficient number, since it is larger than the sum of its proper divisors (1).

222241087 is an equidigital number, since it uses as much as digits as its factorization.

222241087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 222241087 is about 14907.7525804529. The cubic root of 222241087 is about 605.7240035805.

The spelling of 222241087 in words is "two hundred twenty-two million, two hundred forty-one thousand, eighty-seven".