225671020 has 12 divisors (see below), whose sum is σ = 473909184. Its totient is φ = 90268400.

The previous prime is 225670997. The next prime is 225671021. The reversal of 225671020 is 20176522.

It is not an unprimeable number, because it can be changed into a prime (225671021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5641756 + ... + 5641795.

It is an arithmetic number, because the mean of its divisors is an integer number (39492432).

Almost surely, 2^225671020 is an apocalyptic number.

225671020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225671020 is an abundant number, since it is smaller than the sum of its proper divisors (248238164).

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

225671020 is a wasteful number, since it uses less digits than its factorization.

225671020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11283560 (or 11283558 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 225671020 is about 15022.3506815678. The cubic root of 225671020 is about 608.8242334354.

The spelling of 225671020 in words is "two hundred twenty-five million, six hundred seventy-one thousand, twenty".