340222087 has 2 divisors, whose sum is σ = 340222088. Its totient is φ = 340222086.

The previous prime is 340222079. The next prime is 340222133. The reversal of 340222087 is 780222043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340222087 - 2³ = 340222079 is a prime.

It is a Chen prime.

It is equal to p_18306037 and since 340222087 and 18306037 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340222007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170111043 + 170111044.

It is an arithmetic number, because the mean of its divisors is an integer number (170111044).

Almost surely, 2^340222087 is an apocalyptic number.

340222087 is a deficient number, since it is larger than the sum of its proper divisors (1).

340222087 is an equidigital number, since it uses as much as digits as its factorization.

340222087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 340222087 is about 18445.1101108126. The cubic root of 340222087 is about 698.1051386083.

The spelling of 340222087 in words is "three hundred forty million, two hundred twenty-two thousand, eighty-seven".