2122412440 has 32 divisors (see below), whose sum is σ = 4803047280. Its totient is φ = 844054912.

The previous prime is 2122412429. The next prime is 2122412441. The reversal of 2122412440 is 442142212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122412441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146434 + ... + 160273.

Almost surely, 2^2122412440 is an apocalyptic number.

2122412440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122412440 is an abundant number, since it is smaller than the sum of its proper divisors (2680634840).

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

2122412440 is a wasteful number, since it uses less digits than its factorization.

2122412440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306891 (or 306887 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2122412440 is about 46069.6477086595. The cubic root of 2122412440 is about 1285.1187523676.

Adding to 2122412440 its reverse (442142212), we get a palindrome (2564554652).

The spelling of 2122412440 in words is "two billion, one hundred twenty-two million, four hundred twelve thousand, four hundred forty".