2725167228 has 24 divisors (see below), whose sum is σ = 7267112832. Its totient is φ = 778619184.

The previous prime is 2725167209. The next prime is 2725167229. The reversal of 2725167228 is 8227615272.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 2725167228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725167229) 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, 16221150 + ... + 16221317.

It is an arithmetic number, because the mean of its divisors is an integer number (302796368).

Almost surely, 2^2725167228 is an apocalyptic number.

2725167228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2725167228 is an abundant number, since it is smaller than the sum of its proper divisors (4541945604).

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

2725167228 is a wasteful number, since it uses less digits than its factorization.

2725167228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32442481 (or 32442479 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 2725167228 is about 52203.1342737196. The cubic root of 2725167228 is about 1396.7897922211.

The spelling of 2725167228 in words is "two billion, seven hundred twenty-five million, one hundred sixty-seven thousand, two hundred twenty-eight".