2220928 has 16 divisors (see below), whose sum is σ = 4424760. Its totient is φ = 1110400.

The previous prime is 2220923. The next prime is 2220941. The reversal of 2220928 is 8290222.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8548 + ... + 8803.

2^2220928 is an apocalyptic number.

It is an amenable number.

2220928 is a deficient number, since it is larger than the sum of its proper divisors (2203832).

2220928 is an equidigital number, since it uses as much as digits as its factorization.

2220928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17365 (or 17353 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2220928 is about 1490.2778264471. The cubic root of 2220928 is about 130.4702495758.

The spelling of 2220928 in words is "two million, two hundred twenty thousand, nine hundred twenty-eight".