225477580 has 12 divisors (see below), whose sum is σ = 473502960. Its totient is φ = 90191024.

The previous prime is 225477563. The next prime is 225477589. The reversal of 225477580 is 85774522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (225477589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5636920 + ... + 5636959.

It is an arithmetic number, because the mean of its divisors is an integer number (39458580).

Almost surely, 2^225477580 is an apocalyptic number.

225477580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225477580 is an abundant number, since it is smaller than the sum of its proper divisors (248025380).

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

225477580 is a wasteful number, since it uses less digits than its factorization.

225477580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11273888 (or 11273886 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 225477580 is about 15015.9108947809. The cubic root of 225477580 is about 608.6502270050.

The spelling of 225477580 in words is "two hundred twenty-five million, four hundred seventy-seven thousand, five hundred eighty".