22144121310 has 128 divisors (see below), whose sum is σ = 56300313600. Its totient is φ = 5565772800.

The previous prime is 22144121303. The next prime is 22144121347. The reversal of 22144121310 is 1312144122.

It is a super-2 number, since 2×22144121310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7749402 + ... + 7752258.

It is an arithmetic number, because the mean of its divisors is an integer number (439846200).

Almost surely, 2^22144121310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22144121310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28150156800).

22144121310 is an abundant number, since it is smaller than the sum of its proper divisors (34156192290).

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

22144121310 is a wasteful number, since it uses less digits than its factorization.

22144121310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22144121310 its reverse (1312144122), we get a palindrome (23456265432).

The spelling of 22144121310 in words is "twenty-two billion, one hundred forty-four million, one hundred twenty-one thousand, three hundred ten".