22704006 has 16 divisors (see below), whose sum is σ = 48901104. Its totient is φ = 6985824.

The previous prime is 22703987. The next prime is 22704007. The reversal of 22704006 is 60040722.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22704007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145461 + ... + 145616.

It is an arithmetic number, because the mean of its divisors is an integer number (3056319).

Almost surely, 2^22704006 is an apocalyptic number.

22704006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22704006 is an abundant number, since it is smaller than the sum of its proper divisors (26197098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22704006 is a wasteful number, since it uses less digits than its factorization.

22704006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291095.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 22704006 is about 4764.8720864258. The cubic root of 22704006 is about 283.1614739398.

Adding to 22704006 its reverse (60040722), we get a palindrome (82744728).

The spelling of 22704006 in words is "twenty-two million, seven hundred four thousand, six".