2122375784 has 32 divisors (see below), whose sum is σ = 4162536000. Its totient is φ = 1012589952.

The previous prime is 2122375747. The next prime is 2122375799. The reversal of 2122375784 is 4875732212.

It is a super-2 number, since 2×2122375784² = 9008957937019229312, which contains 22 as substring.

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, 63332 + ... + 90860.

It is an arithmetic number, because the mean of its divisors is an integer number (130079250).

Almost surely, 2^2122375784 is an apocalyptic number.

It is an amenable number.

2122375784 is a deficient number, since it is larger than the sum of its proper divisors (2040160216).

2122375784 is a wasteful number, since it uses less digits than its factorization.

2122375784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27977 (or 27973 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 2122375784 is about 46069.2498745096. The cubic root of 2122375784 is about 1285.1113539338. Note that the first 3 decimals are identical.

The spelling of 2122375784 in words is "two billion, one hundred twenty-two million, three hundred seventy-five thousand, seven hundred eighty-four".