21622025336245 has 16 divisors (see below), whose sum is σ = 26061260329728. Its totient is φ = 17221070077120.

The previous prime is 21622025336209. The next prime is 21622025336293. The reversal of 21622025336245 is 54263352022612.

It is not a de Polignac number, because 21622025336245 - 2⁹ = 21622025335733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65701047 + ... + 66029323.

It is an arithmetic number, because the mean of its divisors is an integer number (1628828770608).

Almost surely, 2^{21622025336245} is an apocalyptic number.

It is an amenable number.

21622025336245 is a deficient number, since it is larger than the sum of its proper divisors (4439234993483).

21622025336245 is a wasteful number, since it uses less digits than its factorization.

21622025336245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386540.

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 21622025336245 its reverse (54263352022612), we get a palindrome (75885377358857).

The spelling of 21622025336245 in words is "twenty-one trillion, six hundred twenty-two billion, twenty-five million, three hundred thirty-six thousand, two hundred forty-five".