225104280 has 32 divisors (see below), whose sum is σ = 675313200. Its totient is φ = 60027776.

The previous prime is 225104261. The next prime is 225104281. The reversal of 225104280 is 82401522.

225104280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 225104280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225104281) 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, 937815 + ... + 938054.

Almost surely, 2^225104280 is an apocalyptic number.

225104280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225104280 is an abundant number, since it is smaller than the sum of its proper divisors (450208920).

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

225104280 is a wasteful number, since it uses less digits than its factorization.

225104280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875883 (or 1875879 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 225104280 is about 15003.4755973408. The cubic root of 225104280 is about 608.3141483076.

The spelling of 225104280 in words is "two hundred twenty-five million, one hundred four thousand, two hundred eighty".