2214700728 has 64 divisors (see below), whose sum is σ = 5858956800. Its totient is φ = 696178560.

The previous prime is 2214700699. The next prime is 2214700777. The reversal of 2214700728 is 8270074122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10938 + ... + 67446.

It is an arithmetic number, because the mean of its divisors is an integer number (91546200).

Almost surely, 2^2214700728 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 2214700728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2929478400).

2214700728 is an abundant number, since it is smaller than the sum of its proper divisors (3644256072).

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

2214700728 is a wasteful number, since it uses less digits than its factorization.

2214700728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56612 (or 56608 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 2214700728 is about 47060.6069659115. The cubic root of 2214700728 is about 1303.4819334770.

The spelling of 2214700728 in words is "two billion, two hundred fourteen million, seven hundred thousand, seven hundred twenty-eight".