2212725220 has 96 divisors (see below), whose sum is σ = 4877107200. Its totient is φ = 842634624.

The previous prime is 2212725217. The next prime is 2212725233. The reversal of 2212725220 is 225272122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6163401 + ... + 6163759.

It is an arithmetic number, because the mean of its divisors is an integer number (50803200).

Almost surely, 2^2212725220 is an apocalyptic number.

2212725220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212725220 is an abundant number, since it is smaller than the sum of its proper divisors (2664381980).

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

2212725220 is a wasteful number, since it uses less digits than its factorization.

2212725220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 2212725220 is about 47039.6133062337. The cubic root of 2212725220 is about 1303.0942505458.

Adding to 2212725220 its reverse (225272122), we get a palindrome (2437997342).

The spelling of 2212725220 in words is "two billion, two hundred twelve million, seven hundred twenty-five thousand, two hundred twenty".