22212421044 has 48 divisors (see below), whose sum is σ = 56581593600. Its totient is φ = 6726169440.

The previous prime is 22212420977. The next prime is 22212421057. The reversal of 22212421044 is 44012421222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124527 + ... + 244809.

It is an arithmetic number, because the mean of its divisors is an integer number (1178783200).

Almost surely, 2^22212421044 is an apocalyptic number.

It is an amenable number.

22212421044 is an abundant number, since it is smaller than the sum of its proper divisors (34369172556).

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

22212421044 is a wasteful number, since it uses less digits than its factorization.

22212421044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121700 (or 121698 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22212421044 its reverse (44012421222), we get a palindrome (66224842266).

The spelling of 22212421044 in words is "twenty-two billion, two hundred twelve million, four hundred twenty-one thousand, forty-four".