2213861120 has 72 divisors (see below), whose sum is σ = 5321889216. Its totient is φ = 882372608.

The previous prime is 2213861107. The next prime is 2213861129. The reversal of 2213861120 is 211683122.

It is a self number, because there is not a number n which added to its sum of digits gives 2213861120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213861129) 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, 372089 + ... + 377991.

It is an arithmetic number, because the mean of its divisors is an integer number (73915128).

Almost surely, 2^2213861120 is an apocalyptic number.

2213861120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2213861120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2660944608).

2213861120 is an abundant number, since it is smaller than the sum of its proper divisors (3108028096).

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

2213861120 is an equidigital number, since it uses as much as digits as its factorization.

2213861120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217 (or 6203 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2213861120 is about 47051.6856233653. The cubic root of 2213861120 is about 1303.3171930565.

The spelling of 2213861120 in words is "two billion, two hundred thirteen million, eight hundred sixty-one thousand, one hundred twenty".