180801227 has 4 divisors (see below), whose sum is σ = 181322616. Its totient is φ = 180279840.

The previous prime is 180801223. The next prime is 180801241. The reversal of 180801227 is 722108081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722108081 = 113 ⋅6390337.

It is a cyclic number.

It is not a de Polignac number, because 180801227 - 2² = 180801223 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 180801227.

It is not an unprimeable number, because it can be changed into a prime (180801223) 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, 260174 + ... + 260867.

It is an arithmetic number, because the mean of its divisors is an integer number (45330654).

Almost surely, 2^180801227 is an apocalyptic number.

180801227 is a deficient number, since it is larger than the sum of its proper divisors (521389).

180801227 is an equidigital number, since it uses as much as digits as its factorization.

180801227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521388.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 180801227 is about 13446.2346774106. The cubic root of 180801227 is about 565.4581367807.

The spelling of 180801227 in words is "one hundred eighty million, eight hundred one thousand, two hundred twenty-seven".