122221310 has 32 divisors (see below), whose sum is σ = 231275520. Its totient is φ = 46414368.

The previous prime is 122221301. The next prime is 122221327. The reversal of 122221310 is 13122221.

It is a happy number.

It is a super-2 number, since 2×122221310² = 29876097236232200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30059 + ... + 33881.

It is an arithmetic number, because the mean of its divisors is an integer number (7227360).

Almost surely, 2^122221310 is an apocalyptic number.

122221310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221310 is a deficient number, since it is larger than the sum of its proper divisors (109054210).

122221310 is a wasteful number, since it uses less digits than its factorization.

122221310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 122221310 is about 11055.3747109720. The cubic root of 122221310 is about 496.2672829923.

Adding to 122221310 its reverse (13122221), we get a palindrome (135343531).

The spelling of 122221310 in words is "one hundred twenty-two million, two hundred twenty-one thousand, three hundred ten".