5185226772 has 96 divisors (see below), whose sum is σ = 14684866560. Its totient is φ = 1569183840.

The previous prime is 5185226759. The next prime is 5185226801. The reversal of 5185226772 is 2776225815.

5185226772 is a `hidden beast` number, since 51 + 8 + 522 + 6 + 7 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1046533 + ... + 1051475.

It is an arithmetic number, because the mean of its divisors is an integer number (152967360).

Almost surely, 2^5185226772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5185226772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7342433280).

5185226772 is an abundant number, since it is smaller than the sum of its proper divisors (9499639788).

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

5185226772 is a wasteful number, since it uses less digits than its factorization.

5185226772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850 (or 5842 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 5185226772 is about 72008.5187460484. The cubic root of 5185226772 is about 1730.8359945418.

The spelling of 5185226772 in words is "five billion, one hundred eighty-five million, two hundred twenty-six thousand, seven hundred seventy-two".