2227928 has 8 divisors (see below), whose sum is σ = 4177380. Its totient is φ = 1113960.

The previous prime is 2227919. The next prime is 2227943. The reversal of 2227928 is 8297222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2227894 and 2227903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139238 + ... + 139253.

2^2227928 is an apocalyptic number.

It is an amenable number.

2227928 is a deficient number, since it is larger than the sum of its proper divisors (1949452).

2227928 is a wasteful number, since it uses less digits than its factorization.

2227928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278497 (or 278493 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 2227928 is about 1492.6245341679. The cubic root of 2227928 is about 130.6071794100.

It can be divided in two parts, 22 and 27928, that multiplied together give a palindrome (614416).

The spelling of 2227928 in words is "two million, two hundred twenty-seven thousand, nine hundred twenty-eight".