2234170728 has 32 divisors (see below), whose sum is σ = 6206030400. Its totient is φ = 744723504.

The previous prime is 2234170723. The next prime is 2234170777. The reversal of 2234170728 is 8270714322.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2234170692 and 2234170701.

It is not an unprimeable number, because it can be changed into a prime (2234170723) 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, 5171476 + ... + 5171907.

It is an arithmetic number, because the mean of its divisors is an integer number (193938450).

Almost surely, 2^2234170728 is an apocalyptic number.

It is an amenable number.

2234170728 is an abundant number, since it is smaller than the sum of its proper divisors (3971859672).

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

2234170728 is a wasteful number, since it uses less digits than its factorization.

2234170728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343398 (or 10343388 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 2234170728 is about 47267.0152220341. The cubic root of 2234170728 is about 1307.2905419498.

The spelling of 2234170728 in words is "two billion, two hundred thirty-four million, one hundred seventy thousand, seven hundred twenty-eight".