68022222 has 16 divisors (see below), whose sum is σ = 136173312. Its totient is φ = 22652600.

The previous prime is 68022217. The next prime is 68022257. The reversal of 68022222 is 22222086.

68022222 is a modest number, since divided by 22222 gives 680 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 68022192 and 68022201.

It is a congruent number.

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, 2347 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (8510832).

Almost surely, 2^68022222 is an apocalyptic number.

68022222 is an abundant number, since it is smaller than the sum of its proper divisors (68151090).

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

68022222 is a wasteful number, since it uses less digits than its factorization.

68022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10743.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 68022222 is about 8247.5585478371. The cubic root of 68022222 is about 408.2099673786.

The spelling of 68022222 in words is "sixty-eight million, twenty-two thousand, two hundred twenty-two".