340022187 has 36 divisors (see below), whose sum is σ = 513611280. Its totient is φ = 216745536.

The previous prime is 340022171. The next prime is 340022191. The reversal of 340022187 is 781220043.

It is not a de Polignac number, because 340022187 - 2⁴ = 340022171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340022187.

It is not an unprimeable number, because it can be changed into a prime (340022147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1263889 + ... + 1264157.

It is an arithmetic number, because the mean of its divisors is an integer number (14266980).

Almost surely, 2^340022187 is an apocalyptic number.

340022187 is a deficient number, since it is larger than the sum of its proper divisors (173589093).

340022187 is a wasteful number, since it uses less digits than its factorization.

340022187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 340022187 is about 18439.6905342796. The cubic root of 340022187 is about 697.9683862114.

The spelling of 340022187 in words is "three hundred forty million, twenty-two thousand, one hundred eighty-seven".