2215959 has 8 divisors (see below), whose sum is σ = 2965872. Its totient is φ = 1471680.

The previous prime is 2215949. The next prime is 2215963. The reversal of 2215959 is 9595122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2215959 - 2⁴ = 2215943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382 + ... + 2139.

It is an arithmetic number, because the mean of its divisors is an integer number (370734).

2^2215959 is an apocalyptic number.

2215959 is a deficient number, since it is larger than the sum of its proper divisors (749913).

2215959 is a wasteful number, since it uses less digits than its factorization.

2215959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817.

The product of its digits is 8100, while the sum is 33.

The square root of 2215959 is about 1488.6097540994. The cubic root of 2215959 is about 130.3728742491.

The spelling of 2215959 in words is "two million, two hundred fifteen thousand, nine hundred fifty-nine".