2251746 has 96 divisors (see below), whose sum is σ = 6238080. Its totient is φ = 598752.

The previous prime is 2251741. The next prime is 2251771. The reversal of 2251746 is 6471522.

2251746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2251741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60840 + ... + 60876.

It is an arithmetic number, because the mean of its divisors is an integer number (64980).

2^2251746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2251746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3119040).

2251746 is an abundant number, since it is smaller than the sum of its proper divisors (3986334).

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

2251746 is a wasteful number, since it uses less digits than its factorization.

2251746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 72 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2251746 is about 1500.5818871358. The cubic root of 2251746 is about 131.0709558688.

The spelling of 2251746 in words is "two million, two hundred fifty-one thousand, seven hundred forty-six".