2213250540 has 24 divisors (see below), whose sum is σ = 6197101680. Its totient is φ = 590200128.

The previous prime is 2213250521. The next prime is 2213250541. The reversal of 2213250540 is 450523122.

It is a self number, because there is not a number n which added to its sum of digits gives 2213250540.

It is not an unprimeable number, because it can be changed into a prime (2213250541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18443695 + ... + 18443814.

It is an arithmetic number, because the mean of its divisors is an integer number (258212570).

Almost surely, 2^2213250540 is an apocalyptic number.

2213250540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213250540 is an abundant number, since it is smaller than the sum of its proper divisors (3983851140).

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

2213250540 is a wasteful number, since it uses less digits than its factorization.

2213250540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36887521 (or 36887519 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2213250540 is about 47045.1967792675. The cubic root of 2213250540 is about 1303.1973643141.

Adding to 2213250540 its reverse (450523122), we get a palindrome (2663773662).

The spelling of 2213250540 in words is "two billion, two hundred thirteen million, two hundred fifty thousand, five hundred forty".