450515224 has 8 divisors (see below), whose sum is σ = 844716060. Its totient is φ = 225257608.

The previous prime is 450515207. The next prime is 450515267. The reversal of 450515224 is 422515054.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 450515192 and 450515201.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 28157194 + ... + 28157209.

Almost surely, 2^450515224 is an apocalyptic number.

It is an amenable number.

450515224 is a deficient number, since it is larger than the sum of its proper divisors (394200836).

450515224 is a wasteful number, since it uses less digits than its factorization.

450515224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56314409 (or 56314405 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 450515224 is about 21225.3439076968. The cubic root of 450515224 is about 766.6017808560.

The spelling of 450515224 in words is "four hundred fifty million, five hundred fifteen thousand, two hundred twenty-four".