2729131224 has 32 divisors (see below), whose sum is σ = 6981501120. Its totient is φ = 888554016.

The previous prime is 2729131189. The next prime is 2729131231. The reversal of 2729131224 is 4221319272.

2729131224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321222 + ... + 1323285.

It is an arithmetic number, because the mean of its divisors is an integer number (218171910).

Almost surely, 2^2729131224 is an apocalyptic number.

2729131224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2729131224 is an abundant number, since it is smaller than the sum of its proper divisors (4252369896).

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

2729131224 is a wasteful number, since it uses less digits than its factorization.

2729131224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644559 (or 2644555 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 2729131224 is about 52241.0875078228. The cubic root of 2729131224 is about 1397.4667154129.

The spelling of 2729131224 in words is "two billion, seven hundred twenty-nine million, one hundred thirty-one thousand, two hundred twenty-four".