22872006 has 12 divisors (see below), whose sum is σ = 49556052. Its totient is φ = 7623996.

The previous prime is 22871983. The next prime is 22872019. The reversal of 22872006 is 60027822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 635316 + ... + 635351.

It is an arithmetic number, because the mean of its divisors is an integer number (4129671).

Almost surely, 2^22872006 is an apocalyptic number.

22872006 is an abundant number, since it is smaller than the sum of its proper divisors (26684046).

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

22872006 is a wasteful number, since it uses less digits than its factorization.

22872006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270675 (or 1270672 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 22872006 is about 4782.4686094108. The cubic root of 22872006 is about 283.8581831788.

Adding to 22872006 its reverse (60027822), we get a palindrome (82899828).

The spelling of 22872006 in words is "twenty-two million, eight hundred seventy-two thousand, six".