42068222 has 16 divisors (see below), whose sum is σ = 72524160. Its totient is φ = 17927448.

The previous prime is 42068207. The next prime is 42068231. The reversal of 42068222 is 22286024.

It is a junction number, because it is equal to n+sod(n) for n = 42068191 and 42068200.

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, 5888 + ... + 10899.

It is an arithmetic number, because the mean of its divisors is an integer number (4532760).

Almost surely, 2^42068222 is an apocalyptic number.

42068222 is a deficient number, since it is larger than the sum of its proper divisors (30455938).

42068222 is a wasteful number, since it uses less digits than its factorization.

42068222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16975.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 42068222 is about 6486.0020043167. The cubic root of 42068222 is about 347.7907702081.

Subtracting from 42068222 its sum of digits (26), we obtain a square (42068196 = 6486²).

The spelling of 42068222 in words is "forty-two million, sixty-eight thousand, two hundred twenty-two".