247207224 has 32 divisors (see below), whose sum is σ = 674202240. Its totient is φ = 74911200.

The previous prime is 247207199. The next prime is 247207229. The reversal of 247207224 is 422702742.

247207224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247207224² = 122222823195572352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247207191 and 247207200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247207229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467932 + ... + 468459.

It is an arithmetic number, because the mean of its divisors is an integer number (21068820).

Almost surely, 2^247207224 is an apocalyptic number.

247207224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

247207224 is an abundant number, since it is smaller than the sum of its proper divisors (426995016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247207224 is a wasteful number, since it uses less digits than its factorization.

247207224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936411 (or 936407 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 247207224 is about 15722.8249370143. The cubic root of 247207224 is about 627.6059504806.

Adding to 247207224 its reverse (422702742), we get a palindrome (669909966).

The spelling of 247207224 in words is "two hundred forty-seven million, two hundred seven thousand, two hundred twenty-four".