68622242 has 16 divisors (see below), whose sum is σ = 112190400. Its totient is φ = 31289232.

The previous prime is 68622221. The next prime is 68622259. The reversal of 68622242 is 24222686.

It is a junction number, because it is equal to n+sod(n) for n = 68622199 and 68622208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13742 + ... + 18057.

It is an arithmetic number, because the mean of its divisors is an integer number (7011900).

Almost surely, 2^68622242 is an apocalyptic number.

68622242 is a deficient number, since it is larger than the sum of its proper divisors (43568158).

68622242 is a wasteful number, since it uses less digits than its factorization.

68622242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31897.

The product of its digits is 18432, while the sum is 32.

The square root of 68622242 is about 8283.8542961595. The cubic root of 68622242 is about 409.4067207477.

The spelling of 68622242 in words is "sixty-eight million, six hundred twenty-two thousand, two hundred forty-two".