2257028 has 6 divisors (see below), whose sum is σ = 3949806. Its totient is φ = 1128512.

The previous prime is 2257007. The next prime is 2257049. The reversal of 2257028 is 8207522.

It is an interprime number because it is at equal distance from previous prime (2257007) and next prime (2257049).

It can be written as a sum of positive squares in only one way, i.e., 2256004 + 1024 = 1502^2 + 32^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2256988 and 2257006.

It is a congruent number.

It is an unprimeable number.

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, 282125 + ... + 282132.

It is an arithmetic number, because the mean of its divisors is an integer number (658301).

2^2257028 is an apocalyptic number.

It is an amenable number.

2257028 is a deficient number, since it is larger than the sum of its proper divisors (1692778).

2257028 is a wasteful number, since it uses less digits than its factorization.

2257028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564261 (or 564259 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2257028 is about 1502.3408401558. The cubic root of 2257028 is about 131.1733617592.

The spelling of 2257028 in words is "two million, two hundred fifty-seven thousand, twenty-eight".