2218028028 has 24 divisors (see below), whose sum is σ = 5197059840. Its totient is φ = 736248240.

The previous prime is 2218028027. The next prime is 2218028041. The reversal of 2218028028 is 8208208122.

2218028028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2218028028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218028027) 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, 383818 + ... + 389553.

It is an arithmetic number, because the mean of its divisors is an integer number (216544160).

Almost surely, 2^2218028028 is an apocalyptic number.

It is an amenable number.

2218028028 is an abundant number, since it is smaller than the sum of its proper divisors (2979031812).

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

2218028028 is a wasteful number, since it uses less digits than its factorization.

2218028028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773617 (or 773615 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 2218028028 is about 47095.9449209802. The cubic root of 2218028028 is about 1304.1343775792.

The spelling of 2218028028 in words is "two billion, two hundred eighteen million, twenty-eight thousand, twenty-eight".