2273387 has 4 divisors (see below), whose sum is σ = 2281440. Its totient is φ = 2265336.

The previous prime is 2273363. The next prime is 2273399. The reversal of 2273387 is 7833722.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2273387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2273357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3587 + ... + 4172.

It is an arithmetic number, because the mean of its divisors is an integer number (570360).

2^2273387 is an apocalyptic number.

2273387 is a deficient number, since it is larger than the sum of its proper divisors (8053).

2273387 is an equidigital number, since it uses as much as digits as its factorization.

2273387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8052.

The product of its digits is 14112, while the sum is 32.

The square root of 2273387 is about 1507.7755137951. The cubic root of 2273387 is about 131.4895151804.

The spelling of 2273387 in words is "two million, two hundred seventy-three thousand, three hundred eighty-seven".