156247227 has 12 divisors (see below), whose sum is σ = 228548320. Its totient is φ = 102845808.

The previous prime is 156247219. The next prime is 156247253. The reversal of 156247227 is 722742651.

It is a happy number.

156247227 is a `hidden beast` number, since 1 + 5 + 624 + 7 + 2 + 27 = 666.

It is not a de Polignac number, because 156247227 - 2³ = 156247219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156247191 and 156247200.

It is not an unprimeable number, because it can be changed into a prime (156247207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109168 + ... + 110589.

Almost surely, 2^156247227 is an apocalyptic number.

156247227 is a deficient number, since it is larger than the sum of its proper divisors (72301093).

156247227 is a wasteful number, since it uses less digits than its factorization.

156247227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219842 (or 219839 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 156247227 is about 12499.8890795079. The cubic root of 156247227 is about 538.6054862238.

Adding to 156247227 its reverse (722742651), we get a palindrome (878989878).

The spelling of 156247227 in words is "one hundred fifty-six million, two hundred forty-seven thousand, two hundred twenty-seven".