68022522 has 24 divisors (see below), whose sum is σ = 149041620. Its totient is φ = 22418880.

The previous prime is 68022509. The next prime is 68022533. The reversal of 68022522 is 22522086.

It can be written as a sum of positive squares in 2 ways, for example, as 65270241 + 2752281 = 8079^2 + 1659^2 .

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, 19629 + ... + 22832.

Almost surely, 2^68022522 is an apocalyptic number.

68022522 is an abundant number, since it is smaller than the sum of its proper divisors (81019098).

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

68022522 is a wasteful number, since it uses less digits than its factorization.

68022522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42558 (or 42555 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 68022522 is about 8247.5767350174. The cubic root of 68022522 is about 408.2105674903.

The spelling of 68022522 in words is "sixty-eight million, twenty-two thousand, five hundred twenty-two".