2215329 has 4 divisors (see below), whose sum is σ = 2953776. Its totient is φ = 1476884.

The previous prime is 2215327. The next prime is 2215349. The reversal of 2215329 is 9235122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2215329 - 2¹ = 2215327 is a prime.

It is an Ulam number.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2215299 and 2215308.

It is not an unprimeable number, because it can be changed into a prime (2215327) 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, 369219 + ... + 369224.

It is an arithmetic number, because the mean of its divisors is an integer number (738444).

2^2215329 is an apocalyptic number.

It is an amenable number.

2215329 is a deficient number, since it is larger than the sum of its proper divisors (738447).

2215329 is an equidigital number, since it uses as much as digits as its factorization.

2215329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738446.

The product of its digits is 1080, while the sum is 24.

The square root of 2215329 is about 1488.3981322213. The cubic root of 2215329 is about 130.3605180193.

It can be divided in two parts, 22 and 15329, that added together give a palindrome (15351).

The spelling of 2215329 in words is "two million, two hundred fifteen thousand, three hundred twenty-nine".