2213305240 has 32 divisors (see below), whose sum is σ = 4982510880. Its totient is φ = 884864512.

The previous prime is 2213305229. The next prime is 2213305261. The reversal of 2213305240 is 425033122.

2213305240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2213305240² = 9797440170822915200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70224 + ... + 96736.

It is an arithmetic number, because the mean of its divisors is an integer number (155703465).

Almost surely, 2^2213305240 is an apocalyptic number.

2213305240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213305240 is an abundant number, since it is smaller than the sum of its proper divisors (2769205640).

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

2213305240 is a wasteful number, since it uses less digits than its factorization.

2213305240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28611 (or 28607 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2213305240 is about 47045.7781315178. The cubic root of 2213305240 is about 1303.2081003043.

Adding to 2213305240 its reverse (425033122), we get a palindrome (2638338362).

The spelling of 2213305240 in words is "two billion, two hundred thirteen million, three hundred five thousand, two hundred forty".