2220044340 has 48 divisors (see below), whose sum is σ = 6223674240. Its totient is φ = 591292800.

The previous prime is 2220044339. The next prime is 2220044371. The reversal of 2220044340 is 434400222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28290 + ... + 72390.

It is an arithmetic number, because the mean of its divisors is an integer number (129659880).

Almost surely, 2^2220044340 is an apocalyptic number.

2220044340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220044340 is an abundant number, since it is smaller than the sum of its proper divisors (4003629900).

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

2220044340 is a wasteful number, since it uses less digits than its factorization.

2220044340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44952 (or 44950 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2220044340 is about 47117.3464872546. The cubic root of 2220044340 is about 1304.5294350152.

Adding to 2220044340 its reverse (434400222), we get a palindrome (2654444562).

The spelling of 2220044340 in words is "two billion, two hundred twenty million, forty-four thousand, three hundred forty".