2213579220 has 96 divisors (see below), whose sum is σ = 6264760320. Its totient is φ = 583971840.

The previous prime is 2213579209. The next prime is 2213579227. The reversal of 2213579220 is 229753122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213579227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2669766 + ... + 2670594.

It is an arithmetic number, because the mean of its divisors is an integer number (65257920).

Almost surely, 2^2213579220 is an apocalyptic number.

2213579220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213579220 is an abundant number, since it is smaller than the sum of its proper divisors (4051181100).

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

2213579220 is a wasteful number, since it uses less digits than its factorization.

2213579220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2213579220 is about 47048.6898861169. The cubic root of 2213579220 is about 1303.2618718036.

The spelling of 2213579220 in words is "two billion, two hundred thirteen million, five hundred seventy-nine thousand, two hundred twenty".