2206438 has 16 divisors (see below), whose sum is σ = 3600576. Its totient is φ = 1008000.

The previous prime is 2206429. The next prime is 2206439. The reversal of 2206438 is 8346022.

It is a happy number.

2206438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206439) 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 7 ways as a sum of consecutive naturals, for example, 2563 + ... + 3313.

It is an arithmetic number, because the mean of its divisors is an integer number (225036).

2^2206438 is an apocalyptic number.

2206438 is a deficient number, since it is larger than the sum of its proper divisors (1394138).

2206438 is a wasteful number, since it uses less digits than its factorization.

2206438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2206438 is about 1485.4083613606. The cubic root of 2206438 is about 130.1858879170.

The spelling of 2206438 in words is "two million, two hundred six thousand, four hundred thirty-eight".