122221286 has 32 divisors (see below), whose sum is σ = 209353248. Its totient is φ = 53015040.

The previous prime is 122221277. The next prime is 122221289. The reversal of 122221286 is 682122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41726 + ... + 44558.

It is an arithmetic number, because the mean of its divisors is an integer number (6542289).

Almost surely, 2^122221286 is an apocalyptic number.

122221286 is a deficient number, since it is larger than the sum of its proper divisors (87131962).

122221286 is a wasteful number, since it uses less digits than its factorization.

122221286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936.

The product of its digits is 1536, while the sum is 26.

The square root of 122221286 is about 11055.3736255271. The cubic root of 122221286 is about 496.2672505091.

The spelling of 122221286 in words is "one hundred twenty-two million, two hundred twenty-one thousand, two hundred eighty-six".