169625227 has 4 divisors (see below), whose sum is σ = 169666200. Its totient is φ = 169584256.

The previous prime is 169625123. The next prime is 169625249. The reversal of 169625227 is 722526961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722526961 = 13 ⋅55578997.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169625227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 169625227.

It is not an unprimeable number, because it can be changed into a prime (169625297) 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, 13477 + ... + 22822.

It is an arithmetic number, because the mean of its divisors is an integer number (42416550).

Almost surely, 2^169625227 is an apocalyptic number.

169625227 is a deficient number, since it is larger than the sum of its proper divisors (40973).

169625227 is an equidigital number, since it uses as much as digits as its factorization.

169625227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40972.

The product of its digits is 90720, while the sum is 40.

The square root of 169625227 is about 13024.0249922979. The cubic root of 169625227 is about 553.5584449214.

The spelling of 169625227 in words is "one hundred sixty-nine million, six hundred twenty-five thousand, two hundred twenty-seven".