68539222 has 8 divisors (see below), whose sum is σ = 102848400. Its totient is φ = 34256424.

The previous prime is 68539201. The next prime is 68539243. The reversal of 68539222 is 22293586.

It is an interprime number because it is at equal distance from previous prime (68539201) and next prime (68539243).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2304 + ... + 11932.

It is an arithmetic number, because the mean of its divisors is an integer number (12856050).

Almost surely, 2^68539222 is an apocalyptic number.

68539222 is a deficient number, since it is larger than the sum of its proper divisors (34309178).

68539222 is a wasteful number, since it uses less digits than its factorization.

68539222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13190.

The product of its digits is 51840, while the sum is 37.

The square root of 68539222 is about 8278.8418272123. The cubic root of 68539222 is about 409.2415524246.

It can be divided in two parts, 6853922 and 2, that added together give a square (6853924 = 2618²).

The spelling of 68539222 in words is "sixty-eight million, five hundred thirty-nine thousand, two hundred twenty-two".