2209495 has 8 divisors (see below), whose sum is σ = 2766816. Its totient is φ = 1690656.

The previous prime is 2209483. The next prime is 2209499. The reversal of 2209495 is 5949022.

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

It is a cyclic number.

It is not a de Polignac number, because 2209495 - 2¹⁹ = 1685207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9492 + ... + 9721.

It is an arithmetic number, because the mean of its divisors is an integer number (345852).

2^2209495 is an apocalyptic number.

2209495 is a deficient number, since it is larger than the sum of its proper divisors (557321).

2209495 is a wasteful number, since it uses less digits than its factorization.

2209495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19241.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2209495 is about 1486.4370151473. The cubic root of 2209495 is about 130.2459839636.

It can be divided in two parts, 2209 and 495, that added together give a square (2704 = 52²).

The spelling of 2209495 in words is "two million, two hundred nine thousand, four hundred ninety-five".