2215259 has 4 divisors (see below), whose sum is σ = 2227680. Its totient is φ = 2202840.

The previous prime is 2215237. The next prime is 2215277. The reversal of 2215259 is 9525122.

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-2215259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215159) 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, 5939 + ... + 6300.

It is an arithmetic number, because the mean of its divisors is an integer number (556920).

2^2215259 is an apocalyptic number.

2215259 is a deficient number, since it is larger than the sum of its proper divisors (12421).

2215259 is a wasteful number, since it uses less digits than its factorization.

2215259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12420.

The product of its digits is 1800, while the sum is 26.

The square root of 2215259 is about 1488.3746168220. The cubic root of 2215259 is about 130.3591449603.

The spelling of 2215259 in words is "two million, two hundred fifteen thousand, two hundred fifty-nine".