22134225 has 12 divisors (see below), whose sum is σ = 36595376. Its totient is φ = 11804880.

The previous prime is 22134209. The next prime is 22134247. The reversal of 22134225 is 52243122.

It is not a de Polignac number, because 22134225 - 2⁴ = 22134209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147487 + ... + 147636.

Almost surely, 2^22134225 is an apocalyptic number.

22134225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22134225 is a deficient number, since it is larger than the sum of its proper divisors (14461151).

22134225 is a wasteful number, since it uses less digits than its factorization.

22134225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295136 (or 295131 counting only the distinct ones).

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

The square root of 22134225 is about 4704.7024347986. The cubic root of 22134225 is about 280.7726321936.

Adding to 22134225 its reverse (52243122), we get a palindrome (74377347).

The spelling of 22134225 in words is "twenty-two million, one hundred thirty-four thousand, two hundred twenty-five".