2273966 has 4 divisors (see below), whose sum is σ = 3410952. Its totient is φ = 1136982.

The previous prime is 2273963. The next prime is 2273981. The reversal of 2273966 is 6693722.

It is a happy number.

2273966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273963) 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 as a sum of consecutive naturals, namely, 568490 + ... + 568493.

It is an arithmetic number, because the mean of its divisors is an integer number (852738).

2^2273966 is an apocalyptic number.

2273966 is a deficient number, since it is larger than the sum of its proper divisors (1136986).

2273966 is a wasteful number, since it uses less digits than its factorization.

2273966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136985.

The product of its digits is 27216, while the sum is 35.

The square root of 2273966 is about 1507.9675062812. The cubic root of 2273966 is about 131.5006770821.

The spelling of 2273966 in words is "two million, two hundred seventy-three thousand, nine hundred sixty-six".