2215089 has 6 divisors (see below), whose sum is σ = 3199586. Its totient is φ = 1476720.

The previous prime is 2215067. The next prime is 2215091. The reversal of 2215089 is 9805122.

It can be written as a sum of positive squares in only one way, i.e., 1199025 + 1016064 = 1095^2 + 1008^2 .

It is not a de Polignac number, because 2215089 - 2⁸ = 2214833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123052 + ... + 123069.

2^2215089 is an apocalyptic number.

It is an amenable number.

2215089 is a deficient number, since it is larger than the sum of its proper divisors (984497).

2215089 is a wasteful number, since it uses less digits than its factorization.

2215089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246127 (or 246124 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2215089 is about 1488.3175064481. The cubic root of 2215089 is about 130.3558102679.

The spelling of 2215089 in words is "two million, two hundred fifteen thousand, eighty-nine".