21622025336250 has 80 divisors (see below), whose sum is σ = 54039647477376. Its totient is φ = 5765672640000.

The previous prime is 21622025336209. The next prime is 21622025336293. The reversal of 21622025336250 is 5263352022612.

It is a junction number, because it is equal to n+sod(n) for n = 21622025336199 and 21622025336208.

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 39 ways as a sum of consecutive naturals, for example, 130120719 + ... + 130286781.

Almost surely, 2^{21622025336250} is an apocalyptic number.

21622025336250 is an abundant number, since it is smaller than the sum of its proper divisors (32417622141126).

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

21622025336250 is a wasteful number, since it uses less digits than its factorization.

21622025336250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200809 (or 200794 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 21622025336250 its reverse (5263352022612), we get a palindrome (26885377358862).

The spelling of 21622025336250 in words is "twenty-one trillion, six hundred twenty-two billion, twenty-five million, three hundred thirty-six thousand, two hundred fifty".