22225634 has 8 divisors (see below), whose sum is σ = 33361500. Its totient is φ = 11105136.

The previous prime is 22225607. The next prime is 22225639. The reversal of 22225634 is 43652222.

It can be written as a sum of positive squares in 2 ways, for example, as 21022225 + 1203409 = 4585^2 + 1097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22225639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992 + ... + 6740.

Almost surely, 2^22225634 is an apocalyptic number.

22225634 is a deficient number, since it is larger than the sum of its proper divisors (11135866).

22225634 is a wasteful number, since it uses less digits than its factorization.

22225634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7684.

The product of its digits is 5760, while the sum is 26.

The square root of 22225634 is about 4714.4070677022. The cubic root of 22225634 is about 281.1586090551.

Adding to 22225634 its reverse (43652222), we get a palindrome (65877856).

The spelling of 22225634 in words is "twenty-two million, two hundred twenty-five thousand, six hundred thirty-four".