122166286 has 16 divisors (see below), whose sum is σ = 203187888. Its totient is φ = 54619200.

The previous prime is 122166263. The next prime is 122166323. The reversal of 122166286 is 682661221.

122166286 = T₂₃₆ + T₂₃₇ + ... + T₉₀₆.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44175 + ... + 46858.

It is an arithmetic number, because the mean of its divisors is an integer number (12699243).

Almost surely, 2^122166286 is an apocalyptic number.

122166286 is a deficient number, since it is larger than the sum of its proper divisors (81021602).

122166286 is a wasteful number, since it uses less digits than its factorization.

122166286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91107.

The product of its digits is 13824, while the sum is 34.

The square root of 122166286 is about 11052.8858675008. The cubic root of 122166286 is about 496.1927986823.

The spelling of 122166286 in words is "one hundred twenty-two million, one hundred sixty-six thousand, two hundred eighty-six".