224525220 has 24 divisors (see below), whose sum is σ = 628670784. Its totient is φ = 59873376.

The previous prime is 224525207. The next prime is 224525227. The reversal of 224525220 is 22525422.

It is a happy number.

224525220 is digitally balanced in base 3, 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 (224525227) 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, 1870984 + ... + 1871103.

It is an arithmetic number, because the mean of its divisors is an integer number (26194616).

Almost surely, 2^224525220 is an apocalyptic number.

224525220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224525220 is an abundant number, since it is smaller than the sum of its proper divisors (404145564).

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

224525220 is a wasteful number, since it uses less digits than its factorization.

224525220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742099 (or 3742097 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 224525220 is about 14984.1656424374. The cubic root of 224525220 is about 607.7920897207.

It can be divided in two parts, 22452 and 5220, that added together give a palindrome (27672).

The spelling of 224525220 in words is "two hundred twenty-four million, five hundred twenty-five thousand, two hundred twenty".