2241311220 has 72 divisors (see below), whose sum is σ = 6803727840. Its totient is φ = 597236160.

The previous prime is 2241311213. The next prime is 2241311273. The reversal of 2241311220 is 221131422.

It is a happy number.

2241311220 is a `hidden beast` number, since 22 + 413 + 11 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2241311193 and 2241311202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287575 + ... + 295265.

It is an arithmetic number, because the mean of its divisors is an integer number (94496220).

Almost surely, 2^2241311220 is an apocalyptic number.

2241311220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2241311220 is an abundant number, since it is smaller than the sum of its proper divisors (4562416620).

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

2241311220 is a wasteful number, since it uses less digits than its factorization.

2241311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9325 (or 9320 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2241311220 is about 47342.4885277485. The cubic root of 2241311220 is about 1308.6817771078.

Adding to 2241311220 its reverse (221131422), we get a palindrome (2462442642).

It can be divided in two parts, 22413 and 11220, that added together give a palindrome (33633).

The spelling of 2241311220 in words is "two billion, two hundred forty-one million, three hundred eleven thousand, two hundred twenty".