22220210221044 has 192 divisors, whose sum is σ = 60934027714560. Its totient is φ = 6229428266880.

The previous prime is 22220210221043. The next prime is 22220210221093. The reversal of 22220210221044 is 44012201202222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220210221043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 639174007 + ... + 639208769.

It is an arithmetic number, because the mean of its divisors is an integer number (317364727680).

Almost surely, 2^{22220210221044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22220210221044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30467013857280).

22220210221044 is an abundant number, since it is smaller than the sum of its proper divisors (38713817493516).

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

22220210221044 is a wasteful number, since it uses less digits than its factorization.

22220210221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40770 (or 40768 counting only the distinct ones).

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

Adding to 22220210221044 its reverse (44012201202222), we get a palindrome (66232411423266).

The spelling of 22220210221044 in words is "twenty-two trillion, two hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, forty-four".