2251194 has 32 divisors (see below), whose sum is σ = 5128704. Its totient is φ = 652080.

The previous prime is 2251169. The next prime is 2251199. The reversal of 2251194 is 4911522.

2251194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2251199) 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 15 ways as a sum of consecutive naturals, for example, 777 + ... + 2259.

It is an arithmetic number, because the mean of its divisors is an integer number (160272).

2^2251194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2251194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2564352).

2251194 is an abundant number, since it is smaller than the sum of its proper divisors (2877510).

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

2251194 is a wasteful number, since it uses less digits than its factorization.

2251194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its digits is 720, while the sum is 24.

The square root of 2251194 is about 1500.3979472127. The cubic root of 2251194 is about 131.0602446132.

The spelling of 2251194 in words is "two million, two hundred fifty-one thousand, one hundred ninety-four".