225047620 has 48 divisors (see below), whose sum is σ = 541054080. Its totient is φ = 77025024.

The previous prime is 225047597. The next prime is 225047621. The reversal of 225047620 is 26740522.

225047620 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 (28).

It is not an unprimeable number, because it can be changed into a prime (225047621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112267 + ... + 114253.

It is an arithmetic number, because the mean of its divisors is an integer number (11271960).

Almost surely, 2^225047620 is an apocalyptic number.

225047620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225047620 is an abundant number, since it is smaller than the sum of its proper divisors (316006460).

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

225047620 is a wasteful number, since it uses less digits than its factorization.

225047620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812 (or 2810 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 225047620 is about 15001.5872493546. The cubic root of 225047620 is about 608.2631053393.

The spelling of 225047620 in words is "two hundred twenty-five million, forty-seven thousand, six hundred twenty".