225002177 has 4 divisors (see below), whose sum is σ = 225067776. Its totient is φ = 224936580.

The previous prime is 225002149. The next prime is 225002201. The reversal of 225002177 is 771200522.

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.

It is a cyclic number.

It is not a de Polignac number, because 225002177 - 2²⁰ = 223953601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225002117) 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, 27353 + ... + 34614.

It is an arithmetic number, because the mean of its divisors is an integer number (56266944).

Almost surely, 2^225002177 is an apocalyptic number.

It is an amenable number.

225002177 is a deficient number, since it is larger than the sum of its proper divisors (65599).

225002177 is an equidigital number, since it uses as much as digits as its factorization.

225002177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65598.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 225002177 is about 15000.0725664911. The cubic root of 225002177 is about 608.2221611738. Note that the first 3 decimals are identical.

Adding to 225002177 its reverse (771200522), we get a palindrome (996202699).

The spelling of 225002177 in words is "two hundred twenty-five million, two thousand, one hundred seventy-seven".