68222508 has 24 divisors (see below), whose sum is σ = 166107648. Its totient is φ = 21752016.

The previous prime is 68222503. The next prime is 68222519. The reversal of 68222508 is 80522286.

It is not an unprimeable number, because it can be changed into a prime (68222503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123316 + ... + 123867.

It is an arithmetic number, because the mean of its divisors is an integer number (6921152).

Almost surely, 2^68222508 is an apocalyptic number.

It is an amenable number.

68222508 is an abundant number, since it is smaller than the sum of its proper divisors (97885140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68222508 is a wasteful number, since it uses less digits than its factorization.

68222508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247213 (or 247211 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 68222508 is about 8259.6917618032. The cubic root of 68222508 is about 408.6102220115.

The spelling of 68222508 in words is "sixty-eight million, two hundred twenty-two thousand, five hundred eight".