156800227 has 4 divisors (see below), whose sum is σ = 158785120. Its totient is φ = 154815336.

The previous prime is 156800213. The next prime is 156800243. The reversal of 156800227 is 722008651.

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

It is a cyclic number.

It is not a de Polignac number, because 156800227 - 2⁷ = 156800099 is a prime.

It is a super-2 number, since 2×156800227² = 49172622374503058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156800297) 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 3 ways as a sum of consecutive naturals, for example, 992328 + ... + 992485.

It is an arithmetic number, because the mean of its divisors is an integer number (39696280).

Almost surely, 2^156800227 is an apocalyptic number.

156800227 is a deficient number, since it is larger than the sum of its proper divisors (1984893).

156800227 is an equidigital number, since it uses as much as digits as its factorization.

156800227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984892.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 156800227 is about 12521.9897380568. The cubic root of 156800227 is about 539.2401601750.

Adding to 156800227 its reverse (722008651), we get a palindrome (878808878).

The spelling of 156800227 in words is "one hundred fifty-six million, eight hundred thousand, two hundred twenty-seven".