2206407 has 16 divisors (see below), whose sum is σ = 3479040. Its totient is φ = 1216992.

The previous prime is 2206403. The next prime is 2206417. The reversal of 2206407 is 7046022.

It is a happy number.

2206407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2206407 - 2² = 2206403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203 + ... + 2420.

It is an arithmetic number, because the mean of its divisors is an integer number (217440).

2^2206407 is an apocalyptic number.

2206407 is a deficient number, since it is larger than the sum of its proper divisors (1272633).

2206407 is a wasteful number, since it uses less digits than its factorization.

2206407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2206407 is about 1485.3979264830. The cubic root of 2206407 is about 130.1852782192.

The spelling of 2206407 in words is "two million, two hundred six thousand, four hundred seven".