22704406 has 8 divisors (see below), whose sum is σ = 34887384. Its totient is φ = 11075280.

The previous prime is 22704403. The next prime is 22704413. The reversal of 22704406 is 60440722.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22704403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138360 + ... + 138523.

It is an arithmetic number, because the mean of its divisors is an integer number (4360923).

Almost surely, 2^22704406 is an apocalyptic number.

22704406 is a deficient number, since it is larger than the sum of its proper divisors (12182978).

22704406 is a wasteful number, since it uses less digits than its factorization.

22704406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276926.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 22704406 is about 4764.9140600854. The cubic root of 22704406 is about 283.1631368464.

The spelling of 22704406 in words is "twenty-two million, seven hundred four thousand, four hundred six".