22730006 has 16 divisors (see below), whose sum is σ = 37903488. Its totient is φ = 10152000.

The previous prime is 22729991. The next prime is 22730009. The reversal of 22730006 is 60003722.

It is a self number, because there is not a number n which added to its sum of digits gives 22730006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22730009) 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, 13295 + ... + 14906.

It is an arithmetic number, because the mean of its divisors is an integer number (2368968).

Almost surely, 2^22730006 is an apocalyptic number.

22730006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22730006 is a deficient number, since it is larger than the sum of its proper divisors (15173482).

22730006 is a wasteful number, since it uses less digits than its factorization.

22730006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28247.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 22730006 is about 4767.5996056716. The cubic root of 22730006 is about 283.2695222696.

Adding to 22730006 its reverse (60003722), we get a palindrome (82733728).

The spelling of 22730006 in words is "twenty-two million, seven hundred thirty thousand, six".