22005030 has 32 divisors (see below), whose sum is σ = 53561088. Its totient is φ = 5784800.

The previous prime is 22005019. The next prime is 22005031. The reversal of 22005030 is 3050022.

It is a junction number, because it is equal to n+sod(n) for n = 22004997 and 22005015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005031) 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 15 ways as a sum of consecutive naturals, for example, 3036 + ... + 7295.

It is an arithmetic number, because the mean of its divisors is an integer number (1673784).

Almost surely, 2^22005030 is an apocalyptic number.

22005030 is an abundant number, since it is smaller than the sum of its proper divisors (31556058).

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

22005030 is a wasteful number, since it uses less digits than its factorization.

22005030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10412.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 22005030 is about 4690.9519289799. The cubic root of 22005030 is about 280.2252863744.

Adding to 22005030 its reverse (3050022), we get a palindrome (25055052).

The spelling of 22005030 in words is "twenty-two million, five thousand, thirty".