2122405443 has 32 divisors (see below), whose sum is σ = 3339385920. Its totient is φ = 1327656960.

The previous prime is 2122405429. The next prime is 2122405447. The reversal of 2122405443 is 3445042212.

2122405443 is a `hidden beast` number, since 212 + 2 + 4 + 0 + 5 + 443 = 666.

It is not a de Polignac number, because 2122405443 - 2⁹ = 2122404931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2122405447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147823 + ... + 161543.

It is an arithmetic number, because the mean of its divisors is an integer number (104355810).

Almost surely, 2^2122405443 is an apocalyptic number.

2122405443 is a deficient number, since it is larger than the sum of its proper divisors (1216980477).

2122405443 is a wasteful number, since it uses less digits than its factorization.

2122405443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14084 (or 14078 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2122405443 is about 46069.5717692275. The cubic root of 2122405443 is about 1285.1173401404.

Adding to 2122405443 its reverse (3445042212), we get a palindrome (5567447655).

The spelling of 2122405443 in words is "two billion, one hundred twenty-two million, four hundred five thousand, four hundred forty-three".