22134405 has 16 divisors (see below), whose sum is σ = 35676864. Its totient is φ = 11717760.

The previous prime is 22134377. The next prime is 22134407. The reversal of 22134405 is 50443122.

It is not a de Polignac number, because 22134405 - 2⁸ = 22134149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22134407) 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 15 ways as a sum of consecutive naturals, for example, 3331 + ... + 7440.

It is an arithmetic number, because the mean of its divisors is an integer number (2229804).

Almost surely, 2^22134405 is an apocalyptic number.

It is an amenable number.

22134405 is a deficient number, since it is larger than the sum of its proper divisors (13542459).

22134405 is a wasteful number, since it uses less digits than its factorization.

22134405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10916.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22134405 is about 4704.7215645562. The cubic root of 22134405 is about 280.7733932915.

Adding to 22134405 its reverse (50443122), we get a palindrome (72577527).

The spelling of 22134405 in words is "twenty-two million, one hundred thirty-four thousand, four hundred five".