422130722 has 16 divisors (see below), whose sum is σ = 693463680. Its totient is φ = 191526672.

The previous prime is 422130721. The next prime is 422130739. The reversal of 422130722 is 227031224.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (422130721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136058 + ... + 139125.

It is an arithmetic number, because the mean of its divisors is an integer number (43341480).

Almost surely, 2^422130722 is an apocalyptic number.

422130722 is a deficient number, since it is larger than the sum of its proper divisors (271332958).

422130722 is a wasteful number, since it uses less digits than its factorization.

422130722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275257.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 422130722 is about 20545.8200615113. The cubic root of 422130722 is about 750.1515083545.

Adding to 422130722 its reverse (227031224), we get a palindrome (649161946).

It can be divided in two parts, 4221 and 30722, that added together give a palindrome (34943).

The spelling of 422130722 in words is "four hundred twenty-two million, one hundred thirty thousand, seven hundred twenty-two".