22500033420021 has 16 divisors (see below), whose sum is σ = 30119506344000. Its totient is φ = 14940331527168.

The previous prime is 22500033420017. The next prime is 22500033420041. The reversal of 22500033420021 is 12002433000522.

It is not a de Polignac number, because 22500033420021 - 2² = 22500033420017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22500033419973 and 22500033420000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22500033420041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2773036 + ... + 7258773.

It is an arithmetic number, because the mean of its divisors is an integer number (1882469146500).

Almost surely, 2^{22500033420021} is an apocalyptic number.

It is an amenable number.

22500033420021 is a deficient number, since it is larger than the sum of its proper divisors (7619472923979).

22500033420021 is a wasteful number, since it uses less digits than its factorization.

22500033420021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10034788.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 22500033420021 its reverse (12002433000522), we get a palindrome (34502466420543).

The spelling of 22500033420021 in words is "twenty-two trillion, five hundred billion, thirty-three million, four hundred twenty thousand, twenty-one".