68556622 has 4 divisors (see below), whose sum is σ = 102834936. Its totient is φ = 34278310.

The previous prime is 68556599. The next prime is 68556641. The reversal of 68556622 is 22665586.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22665586 = 2 ⋅11332793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17139154 + ... + 17139157.

It is an arithmetic number, because the mean of its divisors is an integer number (25708734).

Almost surely, 2^68556622 is an apocalyptic number.

68556622 is a deficient number, since it is larger than the sum of its proper divisors (34278314).

68556622 is a wasteful number, since it uses less digits than its factorization.

68556622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34278313.

The product of its digits is 172800, while the sum is 40.

The square root of 68556622 is about 8279.8926321541. The cubic root of 68556622 is about 409.2761807747.

The spelling of 68556622 in words is "sixty-eight million, five hundred fifty-six thousand, six hundred twenty-two".