1018180227 has 32 divisors (see below), whose sum is σ = 1492128000. Its totient is φ = 615081600.

The previous prime is 1018180217. The next prime is 1018180231. The reversal of 1018180227 is 7220818101.

It is a happy number.

It is not a de Polignac number, because 1018180227 - 2⁸ = 1018179971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1018180194 and 1018180203.

It is not an unprimeable number, because it can be changed into a prime (1018180217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177352 + ... + 183002.

It is an arithmetic number, because the mean of its divisors is an integer number (46629000).

Almost surely, 2^1018180227 is an apocalyptic number.

1018180227 is a deficient number, since it is larger than the sum of its proper divisors (473947773).

1018180227 is a wasteful number, since it uses less digits than its factorization.

1018180227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811.

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 1018180227 is about 31908.9364755393. The cubic root of 1018180227 is about 1006.0237176353.

Adding to 1018180227 its reverse (7220818101), we get a palindrome (8238998328).

The spelling of 1018180227 in words is "one billion, eighteen million, one hundred eighty thousand, two hundred twenty-seven".