225270081 has 9 divisors (see below), whose sum is σ = 325455169. Its totient is φ = 150150036.

The previous prime is 225270079. The next prime is 225270103. The reversal of 225270081 is 180072522.

The square root of 225270081 is 15009.

It is a perfect power (a square), and thus also a powerful number.

225270081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 225270081 - 2¹ = 225270079 is a prime.

It is a super-2 number, since 2×225270081² = 101493218787493122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225270041) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42526 + ... + 47528.

Almost surely, 2^225270081 is an apocalyptic number.

225270081 is the 15009-th square number.

225270081 is the 7505-th centered octagonal number.

It is an amenable number.

225270081 is a deficient number, since it is larger than the sum of its proper divisors (100185088).

225270081 is an frugal number, since it uses more digits than its factorization.

225270081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012 (or 5006 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The cubic root of 225270081 is about 608.4634633148.

The spelling of 225270081 in words is "two hundred twenty-five million, two hundred seventy thousand, eighty-one".