450547722 has 48 divisors (see below), whose sum is σ = 1051496160. Its totient is φ = 138964896.

The previous prime is 450547717. The next prime is 450547723. The reversal of 450547722 is 227745054.

It is a happy number.

450547722 is a `hidden beast` number, since 45 + 0 + 547 + 72 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (450547723) 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 23 ways as a sum of consecutive naturals, for example, 613 + ... + 30024.

It is an arithmetic number, because the mean of its divisors is an integer number (21906170).

Almost surely, 2^450547722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450547722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525748080).

450547722 is an abundant number, since it is smaller than the sum of its proper divisors (600948438).

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

450547722 is a wasteful number, since it uses less digits than its factorization.

450547722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30707 (or 30704 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 450547722 is about 21226.1094409692. The cubic root of 450547722 is about 766.6202134005.

The spelling of 450547722 in words is "four hundred fifty million, five hundred forty-seven thousand, seven hundred twenty-two".