2251775 has 6 divisors (see below), whose sum is σ = 2792232. Its totient is φ = 1801400.

The previous prime is 2251771. The next prime is 2251807. The reversal of 2251775 is 5771522.

It is not a de Polignac number, because 2251775 - 2² = 2251771 is a prime.

It is a super-3 number, since 3×2251775³ = 34252812254433328125, which contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45011 + ... + 45060.

It is an arithmetic number, because the mean of its divisors is an integer number (465372).

2^2251775 is an apocalyptic number.

2251775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2251775 is a deficient number, since it is larger than the sum of its proper divisors (540457).

2251775 is an equidigital number, since it uses as much as digits as its factorization.

2251775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90081 (or 90076 counting only the distinct ones).

The product of its digits is 4900, while the sum is 29.

The square root of 2251775 is about 1500.5915500229. The cubic root of 2251775 is about 131.0715185494.

The spelling of 2251775 in words is "two million, two hundred fifty-one thousand, seven hundred seventy-five".