2273551 has 6 divisors (see below), whose sum is σ = 2644800. Its totient is φ = 1948716.

The previous prime is 2273549. The next prime is 2273561. The reversal of 2273551 is 1553722.

It is not a de Polignac number, because 2273551 - 2¹ = 2273549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273501) 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, 23151 + ... + 23248.

It is an arithmetic number, because the mean of its divisors is an integer number (440800).

2^2273551 is an apocalyptic number.

2273551 is a deficient number, since it is larger than the sum of its proper divisors (371249).

2273551 is an equidigital number, since it uses as much as digits as its factorization.

2273551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46413 (or 46406 counting only the distinct ones).

The product of its digits is 2100, while the sum is 25.

The square root of 2273551 is about 1507.8298975680. The cubic root of 2273551 is about 131.4926769477.

The spelling of 2273551 in words is "two million, two hundred seventy-three thousand, five hundred fifty-one".