2212330440 has 64 divisors (see below), whose sum is σ = 6925564800. Its totient is φ = 564303872.

The previous prime is 2212330409. The next prime is 2212330441. The reversal of 2212330440 is 440332122.

It is not an unprimeable number, because it can be changed into a prime (2212330441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398025 + ... + 403544.

It is an arithmetic number, because the mean of its divisors is an integer number (108211950).

Almost surely, 2^2212330440 is an apocalyptic number.

2212330440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212330440 is an abundant number, since it is smaller than the sum of its proper divisors (4713234360).

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

2212330440 is a wasteful number, since it uses less digits than its factorization.

2212330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801606 (or 801602 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2212330440 is about 47035.4168685683. The cubic root of 2212330440 is about 1303.0167494112.

Adding to 2212330440 its reverse (440332122), we get a palindrome (2652662562).

The spelling of 2212330440 in words is "two billion, two hundred twelve million, three hundred thirty thousand, four hundred forty".