2232406 has 32 divisors (see below), whose sum is σ = 3981312. Its totient is φ = 927360.

The previous prime is 2232401. The next prime is 2232421. The reversal of 2232406 is 6042322.

It is a super-3 number, since 3×2232406³ = 33376500400322338248, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17515 + ... + 17641.

It is an arithmetic number, because the mean of its divisors is an integer number (124416).

2^2232406 is an apocalyptic number.

2232406 is the 799-th nonagonal number.

2232406 is a deficient number, since it is larger than the sum of its proper divisors (1748906).

2232406 is a wasteful number, since it uses less digits than its factorization.

2232406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2232406 is about 1494.1238235166. The cubic root of 2232406 is about 130.6946250161.

Adding to 2232406 its reverse (6042322), we get a palindrome (8274728).

The spelling of 2232406 in words is "two million, two hundred thirty-two thousand, four hundred six".