2251670 has 8 divisors (see below), whose sum is σ = 4053024. Its totient is φ = 900664.

The previous prime is 2251649. The next prime is 2251673. The reversal of 2251670 is 761522.

2251670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251673) 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 3 ways as a sum of consecutive naturals, for example, 112574 + ... + 112593.

It is an arithmetic number, because the mean of its divisors is an integer number (506628).

2^2251670 is an apocalyptic number.

2251670 is a deficient number, since it is larger than the sum of its proper divisors (1801354).

2251670 is a wasteful number, since it uses less digits than its factorization.

2251670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225174.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2251670 is about 1500.5565634124. The cubic root of 2251670 is about 131.0694812346.

The spelling of 2251670 in words is "two million, two hundred fifty-one thousand, six hundred seventy".