22206626 has 16 divisors (see below), whose sum is σ = 36086904. Its totient is φ = 10187904.

The previous prime is 22206617. The next prime is 22206637. The reversal of 22206626 is 62660222.

It can be written as a sum of positive squares in 4 ways, for example, as 19140625 + 3066001 = 4375^2 + 1751^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 22206595 and 22206604.

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, 2030 + ... + 6966.

Almost surely, 2^22206626 is an apocalyptic number.

22206626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22206626 is a deficient number, since it is larger than the sum of its proper divisors (13880278).

22206626 is a wasteful number, since it uses less digits than its factorization.

22206626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 22206626 is about 4712.3906883874. The cubic root of 22206626 is about 281.0784345580.

Adding to 22206626 its reverse (62660222), we get a palindrome (84866848).

The spelling of 22206626 in words is "twenty-two million, two hundred six thousand, six hundred twenty-six".