225180577 has 4 divisors (see below), whose sum is σ = 227893680. Its totient is φ = 222467476.

The previous prime is 225180523. The next prime is 225180583. The reversal of 225180577 is 775081522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 775081522 = 2 ⋅387540761.

It is a cyclic number.

It is not a de Polignac number, because 225180577 - 2¹¹ = 225178529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225180587) 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, 1356427 + ... + 1356592.

It is an arithmetic number, because the mean of its divisors is an integer number (56973420).

Almost surely, 2^225180577 is an apocalyptic number.

It is an amenable number.

225180577 is a deficient number, since it is larger than the sum of its proper divisors (2713103).

225180577 is an equidigital number, since it uses as much as digits as its factorization.

225180577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713102.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 225180577 is about 15006.0180261121. The cubic root of 225180577 is about 608.3828680166.

It can be divided in two parts, 2251 and 80577, that added together give a palindrome (82828).

The spelling of 225180577 in words is "two hundred twenty-five million, one hundred eighty thousand, five hundred seventy-seven".