2273953 has 6 divisors (see below), whose sum is σ = 2499602. Its totient is φ = 2067120.

The previous prime is 2273927. The next prime is 2273959. The reversal of 2273953 is 3593722.

It can be written as a sum of positive squares in only one way, i.e., 2108304 + 165649 = 1452^2 + 407^2 .

It is not a de Polignac number, because 2273953 - 2¹³ = 2265761 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2²¹ + 7⁶ + 3⁴ + 9 + 5 + 3¹⁰ .

It is a Duffinian number.

2273953 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2273959) 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, 9276 + ... + 9517.

2^2273953 is an apocalyptic number.

It is an amenable number.

2273953 is a deficient number, since it is larger than the sum of its proper divisors (225649).

2273953 is a wasteful number, since it uses less digits than its factorization.

2273953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18815 (or 18804 counting only the distinct ones).

The product of its digits is 11340, while the sum is 31.

The square root of 2273953 is about 1507.9631958374. The cubic root of 2273953 is about 131.5004264903.

The spelling of 2273953 in words is "two million, two hundred seventy-three thousand, nine hundred fifty-three".