68981122 has 24 divisors (see below), whose sum is σ = 120729420. Its totient is φ = 29473920.

The previous prime is 68981093. The next prime is 68981137. The reversal of 68981122 is 22118986.

It can be written as a sum of positive squares in 2 ways, for example, as 60047001 + 8934121 = 7749^2 + 2989^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39222 + ... + 40942.

Almost surely, 2^68981122 is an apocalyptic number.

68981122 is a deficient number, since it is larger than the sum of its proper divisors (51748298).

68981122 is a wasteful number, since it uses less digits than its factorization.

68981122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146 (or 2139 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 68981122 is about 8305.4874631174. The cubic root of 68981122 is about 410.1191840697.

The spelling of 68981122 in words is "sixty-eight million, nine hundred eighty-one thousand, one hundred twenty-two".