606642222 has 16 divisors (see below), whose sum is σ = 1277141760. Its totient is φ = 191571192.

The previous prime is 606642217. The next prime is 606642299. The reversal of 606642222 is 222246606.

It is a self number, because there is not a number n which added to its sum of digits gives 606642222.

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, 2660598 + ... + 2660825.

It is an arithmetic number, because the mean of its divisors is an integer number (79821360).

Almost surely, 2^606642222 is an apocalyptic number.

606642222 is an abundant number, since it is smaller than the sum of its proper divisors (670499538).

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

606642222 is a wasteful number, since it uses less digits than its factorization.

606642222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321447.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 606642222 is about 24630.1080387399. The cubic root of 606642222 is about 846.5336209470.

Adding to 606642222 its reverse (222246606), we get a palindrome (828888828).

The spelling of 606642222 in words is "six hundred six million, six hundred forty-two thousand, two hundred twenty-two".