220454544 has 20 divisors (see below), whose sum is σ = 569507696. Its totient is φ = 73484832.

The previous prime is 220454543. The next prime is 220454569. The reversal of 220454544 is 445454022.

220454544 is digitally balanced in base 2, because in such base 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 (220454543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2296354 + ... + 2296449.

Almost surely, 2^220454544 is an apocalyptic number.

220454544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220454544 is an abundant number, since it is smaller than the sum of its proper divisors (349053152).

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

220454544 is a wasteful number, since it uses less digits than its factorization.

220454544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592814 (or 4592808 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 220454544 is about 14847.7117428916. The cubic root of 220454544 is about 604.0965446597.

The spelling of 220454544 in words is "two hundred twenty million, four hundred fifty-four thousand, five hundred forty-four".