225020484 has 96 divisors (see below), whose sum is σ = 631559040. Its totient is φ = 68874624.

The previous prime is 225020479. The next prime is 225020489. The reversal of 225020484 is 484020522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (225020479) and next prime (225020489).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (225020489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 411099 + ... + 411645.

It is an arithmetic number, because the mean of its divisors is an integer number (6578740).

Almost surely, 2^225020484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225020484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315779520).

225020484 is an abundant number, since it is smaller than the sum of its proper divisors (406538556).

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

225020484 is a wasteful number, since it uses less digits than its factorization.

225020484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 225020484 is about 15000.6827844602. The cubic root of 225020484 is about 608.2386564529.

The spelling of 225020484 in words is "two hundred twenty-five million, twenty thousand, four hundred eighty-four".