422240222 has 16 divisors (see below), whose sum is σ = 651236544. Its totient is φ = 205200000.

The previous prime is 422240219. The next prime is 422240267. The reversal of 422240222 is 222042224.

It is a junction number, because it is equal to n+sod(n) for n = 422240194 and 422240203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12722 + ... + 31722.

It is an arithmetic number, because the mean of its divisors is an integer number (40702284).

Almost surely, 2^422240222 is an apocalyptic number.

422240222 is a deficient number, since it is larger than the sum of its proper divisors (228996322).

422240222 is a wasteful number, since it uses less digits than its factorization.

422240222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19315.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 422240222 is about 20548.4846643250. The cubic root of 422240222 is about 750.2163654272.

Adding to 422240222 its reverse (222042224), we get a palindrome (644282446).

It can be divided in two parts, 4222 and 40222, that added together give a palindrome (44444).

The spelling of 422240222 in words is "four hundred twenty-two million, two hundred forty thousand, two hundred twenty-two".