247630227 has 16 divisors (see below), whose sum is σ = 357369600. Its totient is φ = 151617312.

The previous prime is 247630219. The next prime is 247630237. The reversal of 247630227 is 722036742.

It is not a de Polignac number, because 247630227 - 2³ = 247630219 is a prime.

It is a super-2 number, since 2×247630227² = 122641458648143058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247630237) 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 15 ways as a sum of consecutive naturals, for example, 8193 + ... + 23714.

It is an arithmetic number, because the mean of its divisors is an integer number (22335600).

Almost surely, 2^247630227 is an apocalyptic number.

247630227 is a deficient number, since it is larger than the sum of its proper divisors (109739373).

247630227 is a wasteful number, since it uses less digits than its factorization.

247630227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32122.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 247630227 is about 15736.2710640101. The cubic root of 247630227 is about 627.9637176964.

Adding to 247630227 its reverse (722036742), we get a palindrome (969666969).

The spelling of 247630227 in words is "two hundred forty-seven million, six hundred thirty thousand, two hundred twenty-seven".