2212303340 has 48 divisors (see below), whose sum is σ = 5029516800. Its totient is φ = 812555520.

The previous prime is 2212303333. The next prime is 2212303343. The reversal of 2212303340 is 433032122.

2212303340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2212303343) 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, 27386 + ... + 71934.

It is an arithmetic number, because the mean of its divisors is an integer number (104781600).

Almost surely, 2^2212303340 is an apocalyptic number.

2212303340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212303340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2514758400).

2212303340 is an abundant number, since it is smaller than the sum of its proper divisors (2817213460).

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

2212303340 is a wasteful number, since it uses less digits than its factorization.

2212303340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44762 (or 44760 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2212303340 is about 47035.1287868971. The cubic root of 2212303340 is about 1303.0114289435.

Adding to 2212303340 its reverse (433032122), we get a palindrome (2645335462).

The spelling of 2212303340 in words is "two billion, two hundred twelve million, three hundred three thousand, three hundred forty".