2230699728 has 80 divisors (see below), whose sum is σ = 5870556800. Its totient is φ = 729699840.

The previous prime is 2230699721. The next prime is 2230699729. The reversal of 2230699728 is 8279960322.

It is a super-3 number, since 3×2230699728³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2230699721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2426853 + ... + 2427771.

It is an arithmetic number, because the mean of its divisors is an integer number (73381960).

Almost surely, 2^2230699728 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 2230699728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2935278400).

2230699728 is an abundant number, since it is smaller than the sum of its proper divisors (3639857072).

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

2230699728 is a wasteful number, since it uses less digits than its factorization.

2230699728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 2230699728 is about 47230.2840135437. The cubic root of 2230699728 is about 1306.6131903470.

The spelling of 2230699728 in words is "two billion, two hundred thirty million, six hundred ninety-nine thousand, seven hundred twenty-eight".