22221101444052 has 96 divisors (see below), whose sum is σ = 62766538813440. Its totient is φ = 5973078873600.

The previous prime is 22221101444033. The next prime is 22221101444119. The reversal of 22221101444052 is 25044410112222.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 592849 + ... + 6692807.

It is an arithmetic number, because the mean of its divisors is an integer number (653818112640).

Almost surely, 2^{22221101444052} 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 22221101444052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31383269406720).

22221101444052 is an abundant number, since it is smaller than the sum of its proper divisors (40545437369388).

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

22221101444052 is a wasteful number, since it uses less digits than its factorization.

22221101444052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6102541 (or 6102539 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 22221101444052 its reverse (25044410112222), we get a palindrome (47265511556274).

The spelling of 22221101444052 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred one million, four hundred forty-four thousand, fifty-two".