422532450 has 270 divisors, whose sum is σ = 1316229651. Its totient is φ = 100465920.

The previous prime is 422532427. The next prime is 422532463. The reversal of 422532450 is 54235224.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 275128569 + 147403881 = 16587^2 + 12141^2 .

It is a tau number, because it is divible by the number of its divisors (270).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14535.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 22238541 + ... + 22238559.

Almost surely, 2^422532450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422532450

422532450 is an abundant number, since it is smaller than the sum of its proper divisors (893697201).

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

422532450 is a wasteful number, since it uses less digits than its factorization.

422532450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 422532450 is about 20555.5941290929. The cubic root of 422532450 is about 750.3893977908.

Adding to 422532450 its reverse (54235224), we get a palindrome (476767674).

The spelling of 422532450 in words is "four hundred twenty-two million, five hundred thirty-two thousand, four hundred fifty".