2422120440 has 32 divisors (see below), whose sum is σ = 7266361680. Its totient is φ = 645898752.

The previous prime is 2422120411. The next prime is 2422120447. The reversal of 2422120440 is 440212242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422120447) 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, 10092049 + ... + 10092288.

Almost surely, 2^2422120440 is an apocalyptic number.

2422120440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2422120440 is an abundant number, since it is smaller than the sum of its proper divisors (4844241240).

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

2422120440 is a wasteful number, since it uses less digits than its factorization.

2422120440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20184351 (or 20184347 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2422120440 is about 49215.0428222916. The cubic root of 2422120440 is about 1342.9667024151.

Adding to 2422120440 its reverse (440212242), we get a palindrome (2862332682).

The spelling of 2422120440 in words is "two billion, four hundred twenty-two million, one hundred twenty thousand, four hundred forty".