422542450 has 24 divisors (see below), whose sum is σ = 857378160. Its totient is φ = 153651600.

The previous prime is 422542411. The next prime is 422542451. The reversal of 422542450 is 54245224.

It is not an unprimeable number, because it can be changed into a prime (422542451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383580 + ... + 384679.

It is an arithmetic number, because the mean of its divisors is an integer number (35724090).

Almost surely, 2^422542450 is an apocalyptic number.

422542450 is an abundant number, since it is smaller than the sum of its proper divisors (434835710).

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

422542450 is a wasteful number, since it uses less digits than its factorization.

422542450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768282 (or 768277 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 422542450 is about 20555.8373704405. The cubic root of 422542450 is about 750.3953175214.

Adding to 422542450 its reverse (54245224), we get a palindrome (476787674).

The spelling of 422542450 in words is "four hundred twenty-two million, five hundred forty-two thousand, four hundred fifty".