22533406 has 16 divisors (see below), whose sum is σ = 39961440. Its totient is φ = 9324000.

The previous prime is 22533397. The next prime is 22533437. The reversal of 22533406 is 60433522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27345 + ... + 28156.

It is an arithmetic number, because the mean of its divisors is an integer number (2497590).

Almost surely, 2^22533406 is an apocalyptic number.

22533406 is a deficient number, since it is larger than the sum of its proper divisors (17428034).

22533406 is a wasteful number, since it uses less digits than its factorization.

22533406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55539.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 22533406 is about 4746.9364857769. The cubic root of 22533406 is about 282.4504562398.

Adding to 22533406 its reverse (60433522), we get a palindrome (82966928).

The spelling of 22533406 in words is "twenty-two million, five hundred thirty-three thousand, four hundred six".