222214087 has 2 divisors, whose sum is σ = 222214088. Its totient is φ = 222214086.

The previous prime is 222214019. The next prime is 222214103. The reversal of 222214087 is 780412222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222214087 is a prime.

It is a super-2 number, since 2×222214087² = 98758200922487138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222214007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111107043 + 111107044.

It is an arithmetic number, because the mean of its divisors is an integer number (111107044).

Almost surely, 2^222214087 is an apocalyptic number.

222214087 is a deficient number, since it is larger than the sum of its proper divisors (1).

222214087 is an equidigital number, since it uses as much as digits as its factorization.

222214087 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 222214087 is about 14906.8469838528. The cubic root of 222214087 is about 605.6994728473.

The spelling of 222214087 in words is "two hundred twenty-two million, two hundred fourteen thousand, eighty-seven".