422323452 has 72 divisors (see below), whose sum is σ = 1157974272. Its totient is φ = 129254400.

The previous prime is 422323399. The next prime is 422323453. The reversal of 422323452 is 254323224.

It is a happy number.

422323452 is a `hidden beast` number, since 422 + 3 + 234 + 5 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422323453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16677 + ... + 33507.

It is an arithmetic number, because the mean of its divisors is an integer number (16082976).

Almost surely, 2^422323452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422323452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578987136).

422323452 is an abundant number, since it is smaller than the sum of its proper divisors (735650820).

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

422323452 is a wasteful number, since it uses less digits than its factorization.

422323452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16899 (or 16894 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 422323452 is about 20550.5097746990. The cubic root of 422323452 is about 750.2656552253.

Adding to 422323452 its reverse (254323224), we get a palindrome (676646676).

The spelling of 422323452 in words is "four hundred twenty-two million, three hundred twenty-three thousand, four hundred fifty-two".