22820006 has 8 divisors (see below), whose sum is σ = 37341864. Its totient is φ = 10372720.

The previous prime is 22819991. The next prime is 22820023. The reversal of 22820006 is 60002822.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22820006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518615 + ... + 518658.

It is an arithmetic number, because the mean of its divisors is an integer number (4667733).

Almost surely, 2^22820006 is an apocalyptic number.

22820006 is a deficient number, since it is larger than the sum of its proper divisors (14521858).

22820006 is a wasteful number, since it uses less digits than its factorization.

22820006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037286.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 22820006 is about 4777.0289930039. The cubic root of 22820006 is about 283.6429007083.

Adding to 22820006 its reverse (60002822), we get a palindrome (82822828).

It can be divided in two parts, 22 and 820006, that added together give a palindrome (820028).

The spelling of 22820006 in words is "twenty-two million, eight hundred twenty thousand, six".