5224412781 has 18 divisors (see below), whose sum is σ = 8778435822. Its totient is φ = 2985378480.

The previous prime is 5224412761. The next prime is 5224412797. The reversal of 5224412781 is 1872144225.

5224412781 is a `hidden beast` number, since 522 + 4 + 4 + 127 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3721610025 + 1502802756 = 61005^2 + 38766^2 .

It is not a de Polignac number, because 5224412781 - 2¹¹ = 5224410733 is a prime.

It is a super-2 number, since 2×5224412781² = 54588977812552307922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5224412761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5922930 + ... + 5923811.

It is an arithmetic number, because the mean of its divisors is an integer number (487690879).

Almost surely, 2^5224412781 is an apocalyptic number.

It is an amenable number.

5224412781 is a deficient number, since it is larger than the sum of its proper divisors (3554023041).

5224412781 is a wasteful number, since it uses less digits than its factorization.

5224412781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11846761 (or 11846751 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 5224412781 is about 72280.0994811158. The cubic root of 5224412781 is about 1735.1851719303.

It can be divided in two parts, 52244 and 12781, that added together give a square (65025 = 255²).

The spelling of 5224412781 in words is "five billion, two hundred twenty-four million, four hundred twelve thousand, seven hundred eighty-one".