22621606 has 16 divisors (see below), whose sum is σ = 39417120. Its totient is φ = 9535680.

The previous prime is 22621601. The next prime is 22621631. The reversal of 22621606 is 60612622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22621601) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12391 + ... + 14098.

It is an arithmetic number, because the mean of its divisors is an integer number (2463570).

Almost surely, 2^22621606 is an apocalyptic number.

22621606 is a deficient number, since it is larger than the sum of its proper divisors (16795514).

22621606 is a wasteful number, since it uses less digits than its factorization.

22621606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26559.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 22621606 is about 4756.2176148700. The cubic root of 22621606 is about 282.8184979101.

The spelling of 22621606 in words is "twenty-two million, six hundred twenty-one thousand, six hundred six".