22206622 has 4 divisors (see below), whose sum is σ = 33309936. Its totient is φ = 11103310.

The previous prime is 22206617. The next prime is 22206637. The reversal of 22206622 is 22660222.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22206593 and 22206602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551654 + ... + 5551657.

It is an arithmetic number, because the mean of its divisors is an integer number (8327484).

Almost surely, 2^22206622 is an apocalyptic number.

22206622 is a deficient number, since it is larger than the sum of its proper divisors (11103314).

22206622 is a wasteful number, since it uses less digits than its factorization.

22206622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11103313.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22206622 is about 4712.3902639743. The cubic root of 22206622 is about 281.0784176814.

Adding to 22206622 its reverse (22660222), we get a palindrome (44866844).

The spelling of 22206622 in words is "twenty-two million, two hundred six thousand, six hundred twenty-two".