2213504520 has 64 divisors (see below), whose sum is σ = 6734067840. Its totient is φ = 581952000.

The previous prime is 2213504519. The next prime is 2213504549. The reversal of 2213504520 is 254053122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121381 + ... + 138420.

It is an arithmetic number, because the mean of its divisors is an integer number (105219810).

Almost surely, 2^2213504520 is an apocalyptic number.

2213504520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213504520 is an abundant number, since it is smaller than the sum of its proper divisors (4520563320).

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

2213504520 is a wasteful number, since it uses less digits than its factorization.

2213504520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259886 (or 259882 counting only the distinct ones).

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

The square root of 2213504520 is about 47047.8960209699. The cubic root of 2213504520 is about 1303.2472115713.

Adding to 2213504520 its reverse (254053122), we get a palindrome (2467557642).

The spelling of 2213504520 in words is "two billion, two hundred thirteen million, five hundred four thousand, five hundred twenty".