22134430 has 32 divisors (see below), whose sum is σ = 42406560. Its totient is φ = 8294400.

The previous prime is 22134419. The next prime is 22134439. The reversal of 22134430 is 3443122.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 22134398 and 22134407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22134439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17830 + ... + 19030.

It is an arithmetic number, because the mean of its divisors is an integer number (1325205).

Almost surely, 2^22134430 is an apocalyptic number.

22134430 is a deficient number, since it is larger than the sum of its proper divisors (20272130).

22134430 is a wasteful number, since it uses less digits than its factorization.

22134430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

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

The square root of 22134430 is about 4704.7242214608. The cubic root of 22134430 is about 280.7734989993.

Adding to 22134430 its reverse (3443122), we get a palindrome (25577552).

The spelling of 22134430 in words is "twenty-two million, one hundred thirty-four thousand, four hundred thirty".