18070227 has 24 divisors (see below), whose sum is σ = 30147936. Its totient is φ = 10215936.

The previous prime is 18070187. The next prime is 18070253. The reversal of 18070227 is 72207081.

It is not a de Polignac number, because 18070227 - 2¹⁴ = 18053843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18070227.

It is not an unprimeable number, because it can be changed into a prime (18070027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4633 + ... + 7589.

It is an arithmetic number, because the mean of its divisors is an integer number (1256164).

Almost surely, 2^18070227 is an apocalyptic number.

18070227 is a deficient number, since it is larger than the sum of its proper divisors (12077709).

18070227 is a wasteful number, since it uses less digits than its factorization.

18070227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067 (or 3064 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 18070227 is about 4250.9089616222. The cubic root of 18070227 is about 262.4145245514.

It can be divided in two parts, 180 and 70227, that added together give a palindrome (70407).

The spelling of 18070227 in words is "eighteen million, seventy thousand, two hundred twenty-seven".