2209535 has 4 divisors (see below), whose sum is σ = 2651448. Its totient is φ = 1767624.

The previous prime is 2209523. The next prime is 2209547. The reversal of 2209535 is 5359022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5359022 = 2 ⋅2679511.

It is an interprime number because it is at equal distance from previous prime (2209523) and next prime (2209547).

It is a cyclic number.

It is not a de Polignac number, because 2209535 - 2¹⁸ = 1947391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220949 + ... + 220958.

It is an arithmetic number, because the mean of its divisors is an integer number (662862).

2^2209535 is an apocalyptic number.

2209535 is a deficient number, since it is larger than the sum of its proper divisors (441913).

2209535 is an equidigital number, since it uses as much as digits as its factorization.

2209535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441912.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 2209535 is about 1486.4504700796. The cubic root of 2209535 is about 130.2467699362.

It can be divided in two parts, 2209 and 535, that added together give a cube (2744 = 14³).

The spelling of 2209535 in words is "two million, two hundred nine thousand, five hundred thirty-five".