2223128 has 8 divisors (see below), whose sum is σ = 4168380. Its totient is φ = 1111560.

The previous prime is 2223119. The next prime is 2223149. The reversal of 2223128 is 8213222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138938 + ... + 138953.

2^2223128 is an apocalyptic number.

It is an amenable number.

2223128 is a deficient number, since it is larger than the sum of its proper divisors (1945252).

2223128 is a wasteful number, since it uses less digits than its factorization.

2223128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277897 (or 277893 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 2223128 is about 1491.0157611508. The cubic root of 2223128 is about 130.5133156312.

The spelling of 2223128 in words is "two million, two hundred twenty-three thousand, one hundred twenty-eight".