2273997 has 8 divisors (see below), whose sum is σ = 3307680. Its totient is φ = 1378160.

The previous prime is 2273993. The next prime is 2274007. The reversal of 2273997 is 7993722.

2273997 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 cyclic number.

It is not a de Polignac number, because 2273997 - 2² = 2273993 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2²¹ + 7² + 3¹⁰ + 9 + 9² + 7⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273993) 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 7 ways as a sum of consecutive naturals, for example, 34422 + ... + 34487.

It is an arithmetic number, because the mean of its divisors is an integer number (413460).

2^2273997 is an apocalyptic number.

It is an amenable number.

2273997 is a deficient number, since it is larger than the sum of its proper divisors (1033683).

2273997 is a wasteful number, since it uses less digits than its factorization.

2273997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68923.

The product of its digits is 47628, while the sum is 39.

The square root of 2273997 is about 1507.9777849823. The cubic root of 2273997 is about 131.5012746434.

It can be divided in two parts, 227 and 3997, that added together give a palindrome (4224).

The spelling of 2273997 in words is "two million, two hundred seventy-three thousand, nine hundred ninety-seven".