225544971 has 8 divisors (see below), whose sum is σ = 303646720. Its totient is φ = 148903272.

The previous prime is 225544951. The next prime is 225544993. The reversal of 225544971 is 179445522.

225544971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225544971 - 2⁷ = 225544843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225544901) 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, 364651 + ... + 365268.

It is an arithmetic number, because the mean of its divisors is an integer number (37955840).

Almost surely, 2^225544971 is an apocalyptic number.

225544971 is a deficient number, since it is larger than the sum of its proper divisors (78101749).

225544971 is a wasteful number, since it uses less digits than its factorization.

225544971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730025.

The product of its digits is 100800, while the sum is 39.

The square root of 225544971 is about 15018.1547135459. The cubic root of 225544971 is about 608.7108589928.

The spelling of 225544971 in words is "two hundred twenty-five million, five hundred forty-four thousand, nine hundred seventy-one".