2122434340 has 48 divisors (see below), whose sum is σ = 4805277120. Its totient is φ = 782801280.

The previous prime is 2122434323. The next prime is 2122434361. The reversal of 2122434340 is 434342212.

It is a happy number.

It is a super-2 number, since 2×2122434340² = 9009455055222471200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260935 + ... + 268945.

It is an arithmetic number, because the mean of its divisors is an integer number (100109940).

Almost surely, 2^2122434340 is an apocalyptic number.

2122434340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122434340 is an abundant number, since it is smaller than the sum of its proper divisors (2682842780).

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

2122434340 is a wasteful number, since it uses less digits than its factorization.

2122434340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9052 (or 9050 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2122434340 is about 46069.8853916525. The cubic root of 2122434340 is about 1285.1231724956.

Adding to 2122434340 its reverse (434342212), we get a palindrome (2556776552).

The spelling of 2122434340 in words is "two billion, one hundred twenty-two million, four hundred thirty-four thousand, three hundred forty".