2122434745 has 8 divisors (see below), whose sum is σ = 2634746760. Its totient is φ = 1639397760.

The previous prime is 2122434731. The next prime is 2122434761. The reversal of 2122434745 is 5474342212.

It can be written as a sum of positive squares in 4 ways, for example, as 786970809 + 1335463936 = 28053^2 + 36544^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2122434745 - 2⁹ = 2122434233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122434745.

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, 7318596 + ... + 7318885.

It is an arithmetic number, because the mean of its divisors is an integer number (329343345).

Almost surely, 2^2122434745 is an apocalyptic number.

It is an amenable number.

2122434745 is a deficient number, since it is larger than the sum of its proper divisors (512312015).

2122434745 is a wasteful number, since it uses less digits than its factorization.

2122434745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14637515.

The product of its digits is 53760, while the sum is 34.

The square root of 2122434745 is about 46069.8897871484. The cubic root of 2122434745 is about 1285.1232542374.

Adding to 2122434745 its reverse (5474342212), we get a palindrome (7596776957).

The spelling of 2122434745 in words is "two billion, one hundred twenty-two million, four hundred thirty-four thousand, seven hundred forty-five".