422460450 has 72 divisors (see below), whose sum is σ = 1165732308. Its totient is φ = 109607040.

The previous prime is 422460439. The next prime is 422460457. The reversal of 422460450 is 54064224.

422460450 is a `hidden beast` number, since 4 + 2 + 2 + 4 + 604 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 106936281 + 315524169 = 10341^2 + 17763^2 .

It is not an unprimeable number, because it can be changed into a prime (422460457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3964 + ... + 29336.

Almost surely, 2^422460450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422460450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582866154).

422460450 is an abundant number, since it is smaller than the sum of its proper divisors (743271858).

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

422460450 is a wasteful number, since it uses less digits than its factorization.

422460450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25428 (or 25420 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 422460450 is about 20553.8427064138. The cubic root of 422460450 is about 750.3467729733.

The spelling of 422460450 in words is "four hundred twenty-two million, four hundred sixty thousand, four hundred fifty".