2213409 has 8 divisors (see below), whose sum is σ = 3219552. Its totient is φ = 1341440.

The previous prime is 2213401. The next prime is 2213411. The reversal of 2213409 is 9043122.

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 2213409 - 2³ = 2213401 is a prime.

It is a super-3 number, since 3×2213409³ = 32531663338229930787, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2213401) 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, 33504 + ... + 33569.

It is an arithmetic number, because the mean of its divisors is an integer number (402444).

2^2213409 is an apocalyptic number.

It is an amenable number.

2213409 is a deficient number, since it is larger than the sum of its proper divisors (1006143).

2213409 is a wasteful number, since it uses less digits than its factorization.

2213409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67087.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2213409 is about 1487.7530036938. The cubic root of 2213409 is about 130.3228464834.

It can be divided in two parts, 22 and 13409, that added together give a palindrome (13431).

The spelling of 2213409 in words is "two million, two hundred thirteen thousand, four hundred nine".