4247172224 has 16 divisors (see below), whose sum is σ = 8461163670. Its totient is φ = 2123586048.

The previous prime is 4247172211. The next prime is 4247172229. The reversal of 4247172224 is 4222717424.

It can be written as a sum of positive squares in only one way, i.e., 4169026624 + 78145600 = 64568^2 + 8840^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (4247172229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16590389 + ... + 16590644.

Almost surely, 2^4247172224 is an apocalyptic number.

It is an amenable number.

4247172224 is a deficient number, since it is larger than the sum of its proper divisors (4213991446).

4247172224 is an equidigital number, since it uses as much as digits as its factorization.

4247172224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33181047 (or 33181035 counting only the distinct ones).

The product of its digits is 50176, while the sum is 35.

The square root of 4247172224 is about 65170.3323913573. The cubic root of 4247172224 is about 1619.4465700892.

Adding to 4247172224 its reverse (4222717424), we get a palindrome (8469889648).

The spelling of 4247172224 in words is "four billion, two hundred forty-seven million, one hundred seventy-two thousand, two hundred twenty-four".