22210906 has 8 divisors (see below), whose sum is σ = 33374880. Its totient is φ = 11085948.

The previous prime is 22210879. The next prime is 22210921. The reversal of 22210906 is 60901222.

It is a happy number.

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

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 in 3 ways as a sum of consecutive naturals, for example, 8286 + ... + 10633.

It is an arithmetic number, because the mean of its divisors is an integer number (4171860).

Almost surely, 2^22210906 is an apocalyptic number.

22210906 is a deficient number, since it is larger than the sum of its proper divisors (11163974).

22210906 is a wasteful number, since it uses less digits than its factorization.

22210906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19508.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 22210906 is about 4712.8447884478. The cubic root of 22210906 is about 281.0964913071.

The spelling of 22210906 in words is "twenty-two million, two hundred ten thousand, nine hundred six".