225525167 has 4 divisors (see below), whose sum is σ = 257743056. Its totient is φ = 193307280.

The previous prime is 225525163. The next prime is 225525169. The reversal of 225525167 is 761525522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 761525522 = 2 ⋅380762761.

It is a cyclic number.

It is not a de Polignac number, because 225525167 - 2² = 225525163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225525163) 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, 16108934 + ... + 16108947.

It is an arithmetic number, because the mean of its divisors is an integer number (64435764).

Almost surely, 2^225525167 is an apocalyptic number.

225525167 is a deficient number, since it is larger than the sum of its proper divisors (32217889).

225525167 is an equidigital number, since it uses as much as digits as its factorization.

225525167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32217888.

The product of its digits is 42000, while the sum is 35.

The square root of 225525167 is about 15017.4953637416. The cubic root of 225525167 is about 608.6930424976.

The spelling of 225525167 in words is "two hundred twenty-five million, five hundred twenty-five thousand, one hundred sixty-seven".