2212044440 has 64 divisors (see below), whose sum is σ = 5027218560. Its totient is φ = 875957760.

The previous prime is 2212044433. The next prime is 2212044469. The reversal of 2212044440 is 444402122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004929 + ... + 2006031.

It is an arithmetic number, because the mean of its divisors is an integer number (78550290).

Almost surely, 2^2212044440 is an apocalyptic number.

2212044440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212044440 is an abundant number, since it is smaller than the sum of its proper divisors (2815174120).

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

2212044440 is a wasteful number, since it uses less digits than its factorization.

2212044440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2212044440 is about 47032.3765081034. The cubic root of 2212044440 is about 1302.9605976352.

Adding to 2212044440 its reverse (444402122), we get a palindrome (2656446562).

The spelling of 2212044440 in words is "two billion, two hundred twelve million, forty-four thousand, four hundred forty".