2221340120 has 32 divisors (see below), whose sum is σ = 4999745520. Its totient is φ = 888228480.

The previous prime is 2221340119. The next prime is 2221340129. The reversal of 2221340120 is 210431222.

2221340120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2221340120² = 9868703857443228800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221340129) 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, 133799 + ... + 149481.

Almost surely, 2^2221340120 is an apocalyptic number.

2221340120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221340120 is an abundant number, since it is smaller than the sum of its proper divisors (2778405400).

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

2221340120 is a wasteful number, since it uses less digits than its factorization.

2221340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19235 (or 19231 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2221340120 is about 47131.0950435060. The cubic root of 2221340120 is about 1304.7831918660.

Adding to 2221340120 its reverse (210431222), we get a palindrome (2431771342).

The spelling of 2221340120 in words is "two billion, two hundred twenty-one million, three hundred forty thousand, one hundred twenty".