2273015 has 4 divisors (see below), whose sum is σ = 2727624. Its totient is φ = 1818408.

The previous prime is 2272997. The next prime is 2273017. The reversal of 2273015 is 5103722.

2273015 = T₅₄₃ + T₅₄₄ + ... + T₅₅₇.

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

It is a cyclic number.

It is not a de Polignac number, because 2273015 - 2¹² = 2268919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273017) 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, 227297 + ... + 227306.

It is an arithmetic number, because the mean of its divisors is an integer number (681906).

2^2273015 is an apocalyptic number.

2273015 is a deficient number, since it is larger than the sum of its proper divisors (454609).

2273015 is an equidigital number, since it uses as much as digits as its factorization.

2273015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454608.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2273015 is about 1507.6521482093. The cubic root of 2273015 is about 131.4823428031.

Adding to 2273015 its reverse (5103722), we get a palindrome (7376737).

It can be divided in two parts, 22 and 73015, that added together give a palindrome (73037).

The spelling of 2273015 in words is "two million, two hundred seventy-three thousand, fifteen".