2238985660 has 12 divisors (see below), whose sum is σ = 4701869928. Its totient is φ = 895594256.

The previous prime is 2238985649. The next prime is 2238985667. The reversal of 2238985660 is 665898322.

2238985660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238985667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55974622 + ... + 55974661.

It is an arithmetic number, because the mean of its divisors is an integer number (391822494).

Almost surely, 2^2238985660 is an apocalyptic number.

2238985660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2238985660 is an abundant number, since it is smaller than the sum of its proper divisors (2462884268).

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

2238985660 is a wasteful number, since it uses less digits than its factorization.

2238985660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111949292 (or 111949290 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 2238985660 is about 47317.9211293142. The cubic root of 2238985660 is about 1308.2289958401.

The spelling of 2238985660 in words is "two billion, two hundred thirty-eight million, nine hundred eighty-five thousand, six hundred sixty".