22250021124432 has 40 divisors (see below), whose sum is σ = 57557637729184. Its totient is φ = 7406555451264.

The previous prime is 22250021124403. The next prime is 22250021124439. The reversal of 22250021124432 is 23442112005222.

It is a self number, because there is not a number n which added to its sum of digits gives 22250021124432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250021124439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 316159978 + ... + 316230345.

Almost surely, 2^{22250021124432} is an apocalyptic number.

It is an amenable number.

22250021124432 is an abundant number, since it is smaller than the sum of its proper divisors (35307616604752).

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

22250021124432 is a wasteful number, since it uses less digits than its factorization.

22250021124432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632391067 (or 632391061 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 22250021124432 its reverse (23442112005222), we get a palindrome (45692133129654).

The spelling of 22250021124432 in words is "twenty-two trillion, two hundred fifty billion, twenty-one million, one hundred twenty-four thousand, four hundred thirty-two".