68244122 has 4 divisors (see below), whose sum is σ = 102366186. Its totient is φ = 34122060.

The previous prime is 68244119. The next prime is 68244167. The reversal of 68244122 is 22144286.

It is a Cunningham number, because it is equal to 8261²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22144286 = 2 ⋅11072143.

It can be written as a sum of positive squares in only one way, i.e., 68244121 + 1 = 8261^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17061029 + ... + 17061032.

Almost surely, 2^68244122 is an apocalyptic number.

68244122 is a deficient number, since it is larger than the sum of its proper divisors (34122064).

68244122 is a wasteful number, since it uses less digits than its factorization.

68244122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34122063.

The product of its digits is 6144, while the sum is 29.

The square root of 68244122 is about 8261.0000605254. Note that the first 4 decimals coincide. The cubic root of 68244122 is about 408.6533689098.

The spelling of 68244122 in words is "sixty-eight million, two hundred forty-four thousand, one hundred twenty-two".