169380227 has 4 divisors (see below), whose sum is σ = 171765936. Its totient is φ = 166994520.

The previous prime is 169380203. The next prime is 169380229. The reversal of 169380227 is 722083961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169380227 is a prime.

It is a super-2 number, since 2×169380227² = 57379322597143058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169380229) 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, 1192748 + ... + 1192889.

It is an arithmetic number, because the mean of its divisors is an integer number (42941484).

Almost surely, 2^169380227 is an apocalyptic number.

169380227 is a deficient number, since it is larger than the sum of its proper divisors (2385709).

169380227 is an equidigital number, since it uses as much as digits as its factorization.

169380227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385708.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 169380227 is about 13014.6158990575. The cubic root of 169380227 is about 553.2918038298.

The spelling of 169380227 in words is "one hundred sixty-nine million, three hundred eighty thousand, two hundred twenty-seven".