2122517928 has 32 divisors (see below), whose sum is σ = 5307896160. Its totient is φ = 707292480.

The previous prime is 2122517921. The next prime is 2122517933. The reversal of 2122517928 is 8297152212.

It is not an unprimeable number, because it can be changed into a prime (2122517921) 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, 81643 + ... + 104453.

It is an arithmetic number, because the mean of its divisors is an integer number (165871755).

Almost surely, 2^2122517928 is an apocalyptic number.

It is an amenable number.

2122517928 is an abundant number, since it is smaller than the sum of its proper divisors (3185378232).

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

2122517928 is a wasteful number, since it uses less digits than its factorization.

2122517928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26697 (or 26693 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 2122517928 is about 46070.7925696965. The cubic root of 2122517928 is about 1285.1400429768.

The spelling of 2122517928 in words is "two billion, one hundred twenty-two million, five hundred seventeen thousand, nine hundred twenty-eight".