22225706 has 16 divisors (see below), whose sum is σ = 35194560. Its totient is φ = 10497600.

The previous prime is 22225699. The next prime is 22225717. The reversal of 22225706 is 60752222.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17906 + ... + 19106.

It is an arithmetic number, because the mean of its divisors is an integer number (2199660).

Almost surely, 2^22225706 is an apocalyptic number.

22225706 is a deficient number, since it is larger than the sum of its proper divisors (12968854).

22225706 is a wasteful number, since it uses less digits than its factorization.

22225706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 22225706 is about 4714.4147038630. The cubic root of 22225706 is about 281.1589126595.

Adding to 22225706 its reverse (60752222), we get a palindrome (82977928).

The spelling of 22225706 in words is "twenty-two million, two hundred twenty-five thousand, seven hundred six".