2215023 has 4 divisors (see below), whose sum is σ = 2953368. Its totient is φ = 1476680.

The previous prime is 2215013. The next prime is 2215051. The reversal of 2215023 is 3205122.

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 2215023 - 2⁶ = 2214959 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2214993 and 2215011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215013) 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, 369168 + ... + 369173.

It is an arithmetic number, because the mean of its divisors is an integer number (738342).

2^2215023 is an apocalyptic number.

2215023 is a deficient number, since it is larger than the sum of its proper divisors (738345).

2215023 is an equidigital number, since it uses as much as digits as its factorization.

2215023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738344.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2215023 is about 1488.2953335948. The cubic root of 2215023 is about 130.3545155767.

Subtracting 2215023 from its reverse (3205122), we obtain a palindrome (990099).

The spelling of 2215023 in words is "two million, two hundred fifteen thousand, twenty-three".