450546222 has 32 divisors (see below), whose sum is σ = 1035590400. Its totient is φ = 128006208.

The previous prime is 450546211. The next prime is 450546227. The reversal of 450546222 is 222645054.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 450546222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450546227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22447 + ... + 37482.

It is an arithmetic number, because the mean of its divisors is an integer number (32362200).

Almost surely, 2^450546222 is an apocalyptic number.

450546222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

450546222 is an abundant number, since it is smaller than the sum of its proper divisors (585044178).

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

450546222 is a wasteful number, since it uses less digits than its factorization.

450546222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60120.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 450546222 is about 21226.0741070976. The cubic root of 450546222 is about 766.6193626348.

The spelling of 450546222 in words is "four hundred fifty million, five hundred forty-six thousand, two hundred twenty-two".