2240221440 has 72 divisors (see below), whose sum is σ = 7154719488. Its totient is φ = 597391360.

The previous prime is 2240221421. The next prime is 2240221457. The reversal of 2240221440 is 441220422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287856 + ... + 295535.

It is an arithmetic number, because the mean of its divisors is an integer number (99371104).

Almost surely, 2^2240221440 is an apocalyptic number.

2240221440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240221440 is an abundant number, since it is smaller than the sum of its proper divisors (4914498048).

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

2240221440 is an equidigital number, since it uses as much as digits as its factorization.

2240221440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583415 (or 583401 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2240221440 is about 47330.9775939606. The cubic root of 2240221440 is about 1308.4696384240.

Adding to 2240221440 its reverse (441220422), we get a palindrome (2681441862).

The spelling of 2240221440 in words is "two billion, two hundred forty million, two hundred twenty-one thousand, four hundred forty".