2273493 has 8 divisors (see below), whose sum is σ = 3038656. Its totient is φ = 1512000.

The previous prime is 2273489. The next prime is 2273497. The reversal of 2273493 is 3943722.

It is an interprime number because it is at equal distance from previous prime (2273489) and next prime (2273497).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2273493 - 2² = 2273489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2273493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293 + ... + 2493.

It is an arithmetic number, because the mean of its divisors is an integer number (379832).

2^2273493 is an apocalyptic number.

It is an amenable number.

2273493 is a deficient number, since it is larger than the sum of its proper divisors (765163).

2273493 is a wasteful number, since it uses less digits than its factorization.

2273493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835.

The product of its digits is 9072, while the sum is 30.

The square root of 2273493 is about 1507.8106645067. The cubic root of 2273493 is about 131.4915587790.

The spelling of 2273493 in words is "two million, two hundred seventy-three thousand, four hundred ninety-three".