2213572420 has 24 divisors (see below), whose sum is σ = 4679293248. Its totient is φ = 879564000.

The previous prime is 2213572399. The next prime is 2213572421. The reversal of 2213572420 is 242753122.

It is not an unprimeable number, because it can be changed into a prime (2213572421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363466 + ... + 369505.

It is an arithmetic number, because the mean of its divisors is an integer number (194970552).

Almost surely, 2^2213572420 is an apocalyptic number.

2213572420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213572420 is an abundant number, since it is smaller than the sum of its proper divisors (2465720828).

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

2213572420 is a wasteful number, since it uses less digits than its factorization.

2213572420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733131 (or 733129 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2213572420 is about 47048.6176204998. The cubic root of 2213572420 is about 1303.2605372848.

The spelling of 2213572420 in words is "two billion, two hundred thirteen million, five hundred seventy-two thousand, four hundred twenty".