2122928 has 20 divisors (see below), whose sum is σ = 4136640. Its totient is φ = 1055424.

The previous prime is 2122921. The next prime is 2122937. The reversal of 2122928 is 8292212.

It is a junction number, because it is equal to n+sod(n) for n = 2122897 and 2122906.

It is not an unprimeable number, because it can be changed into a prime (2122921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4193 + ... + 4671.

It is an arithmetic number, because the mean of its divisors is an integer number (206832).

2^2122928 is an apocalyptic number.

It is an amenable number.

2122928 is a deficient number, since it is larger than the sum of its proper divisors (2013712).

2122928 is a wasteful number, since it uses less digits than its factorization.

2122928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 758 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 2122928 is about 1457.0271102488. The cubic root of 2122928 is about 128.5222800976.

The spelling of 2122928 in words is "two million, one hundred twenty-two thousand, nine hundred twenty-eight".