2251028 has 24 divisors (see below), whose sum is σ = 4307688. Its totient is φ = 1022976.

The previous prime is 2251001. The next prime is 2251031. The reversal of 2251028 is 8201522.

It can be written as a sum of positive squares in 4 ways, for example, as 183184 + 2067844 = 428^2 + 1438^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500 + ... + 4092.

It is an arithmetic number, because the mean of its divisors is an integer number (179487).

2^2251028 is an apocalyptic number.

It is an amenable number.

2251028 is a deficient number, since it is larger than the sum of its proper divisors (2056660).

2251028 is a wasteful number, since it uses less digits than its factorization.

2251028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2251028 is about 1500.3426275355. The cubic root of 2251028 is about 131.0570231323.

The spelling of 2251028 in words is "two million, two hundred fifty-one thousand, twenty-eight".