2214928 has 10 divisors (see below), whose sum is σ = 4291454. Its totient is φ = 1107456.

The previous prime is 2214911. The next prime is 2214929. The reversal of 2214928 is 8294122.

It can be written as a sum of positive squares in only one way, i.e., 2214144 + 784 = 1488^2 + 28^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2214896 and 2214905.

It is not an unprimeable number, because it can be changed into a prime (2214929) 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 as a sum of consecutive naturals, namely, 69201 + ... + 69232.

2^2214928 is an apocalyptic number.

It is an amenable number.

2214928 is a deficient number, since it is larger than the sum of its proper divisors (2076526).

2214928 is a wasteful number, since it uses less digits than its factorization.

2214928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138441 (or 138435 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 2214928 is about 1488.2634175441. The cubic root of 2214928 is about 130.3526519608.

The spelling of 2214928 in words is "two million, two hundred fourteen thousand, nine hundred twenty-eight".