2251026 has 24 divisors (see below), whose sum is σ = 4942080. Its totient is φ = 740376.

The previous prime is 2251001. The next prime is 2251031. The reversal of 2251026 is 6201522.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 631 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (205920).

2^2251026 is an apocalyptic number.

2251026 is an abundant number, since it is smaller than the sum of its proper divisors (2691054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251026 is a wasteful number, since it uses less digits than its factorization.

2251026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2251026 is about 1500.3419610209. The cubic root of 2251026 is about 131.0569843183.

Adding to 2251026 its reverse (6201522), we get a palindrome (8452548).

The spelling of 2251026 in words is "two million, two hundred fifty-one thousand, twenty-six".