220454448 has 40 divisors (see below), whose sum is σ = 594271488. Its totient is φ = 70289472.

The previous prime is 220454387. The next prime is 220454449. The reversal of 220454448 is 844454022.

220454448 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220454449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98740 + ... + 100947.

Almost surely, 2^220454448 is an apocalyptic number.

It is an amenable number.

220454448 is an abundant number, since it is smaller than the sum of its proper divisors (373817040).

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

220454448 is a wasteful number, since it uses less digits than its factorization.

220454448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199721 (or 199715 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 33.

The square root of 220454448 is about 14847.7085100698. The cubic root of 220454448 is about 604.0964569722.

The spelling of 220454448 in words is "two hundred twenty million, four hundred fifty-four thousand, four hundred forty-eight".