22012022323544 has 48 divisors (see below), whose sum is σ = 46930020580800. Its totient is φ = 9660448656320.

The previous prime is 22012022323523. The next prime is 22012022323549. The reversal of 22012022323544 is 44532322021022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22012022323544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012022323549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392035592 + ... + 392091735.

It is an arithmetic number, because the mean of its divisors is an integer number (977708762100).

Almost surely, 2^{22012022323544} is an apocalyptic number.

It is an amenable number.

22012022323544 is an abundant number, since it is smaller than the sum of its proper divisors (24917998257256).

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

22012022323544 is a wasteful number, since it uses less digits than its factorization.

22012022323544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784127384 (or 784127369 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 22012022323544 its reverse (44532322021022), we get a palindrome (66544344344566).

The spelling of 22012022323544 in words is "twenty-two trillion, twelve billion, twenty-two million, three hundred twenty-three thousand, five hundred forty-four".