2212422440 has 32 divisors (see below), whose sum is σ = 5194385280. Its totient is φ = 846491712.

The previous prime is 2212422403. The next prime is 2212422469. The reversal of 2212422440 is 442242122.

2212422440 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 (23).

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, 1201484 + ... + 1203323.

It is an arithmetic number, because the mean of its divisors is an integer number (162324540).

Almost surely, 2^2212422440 is an apocalyptic number.

2212422440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212422440 is an abundant number, since it is smaller than the sum of its proper divisors (2981962840).

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

2212422440 is a wasteful number, since it uses less digits than its factorization.

2212422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404841 (or 2404837 counting only the distinct ones).

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

The square root of 2212422440 is about 47036.3948448433. The cubic root of 2212422440 is about 1303.0348111916.

Adding to 2212422440 its reverse (442242122), we get a palindrome (2654664562).

The spelling of 2212422440 in words is "two billion, two hundred twelve million, four hundred twenty-two thousand, four hundred forty".