2205407 has 4 divisors (see below), whose sum is σ = 2209320. Its totient is φ = 2201496.

The previous prime is 2205389. The next prime is 2205409. The reversal of 2205407 is 7045022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2205407 - 2¹⁰ = 2204383 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 (2205409) 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 3 ways as a sum of consecutive naturals, for example, 932 + ... + 2297.

It is an arithmetic number, because the mean of its divisors is an integer number (552330).

2^2205407 is an apocalyptic number.

2205407 is a deficient number, since it is larger than the sum of its proper divisors (3913).

2205407 is an equidigital number, since it uses as much as digits as its factorization.

2205407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2205407 is about 1485.0612781970. The cubic root of 2205407 is about 130.1656074829.

The spelling of 2205407 in words is "two million, two hundred five thousand, four hundred seven".