22022224644144 has 160 divisors (see below), whose sum is σ = 59124798627840. Its totient is φ = 7058140298496.

The previous prime is 22022224644103. The next prime is 22022224644169. The reversal of 22022224644144 is 44144642222022.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205325859 + ... + 205433085.

It is an arithmetic number, because the mean of its divisors is an integer number (369529991424).

Almost surely, 2^{22022224644144} is an apocalyptic number.

22022224644144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022224644144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29562399313920).

22022224644144 is an abundant number, since it is smaller than the sum of its proper divisors (37102573983696).

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

22022224644144 is a wasteful number, since it uses less digits than its factorization.

22022224644144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108887 (or 108881 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 39.

Adding to 22022224644144 its reverse (44144642222022), we get a palindrome (66166866866166).

The spelling of 22022224644144 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-four million, six hundred forty-four thousand, one hundred forty-four".