22144412334 has 32 divisors (see below), whose sum is σ = 50857983360. Its totient is φ = 6357247200.

The previous prime is 22144412327. The next prime is 22144412359. The reversal of 22144412334 is 43321444122.

It is a super-2 number, since 2×22144412334² (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 15 ways as a sum of consecutive naturals, for example, 8828257 + ... + 8830764.

It is an arithmetic number, because the mean of its divisors is an integer number (1589311980).

Almost surely, 2^22144412334 is an apocalyptic number.

22144412334 is an abundant number, since it is smaller than the sum of its proper divisors (28713571026).

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

22144412334 is a wasteful number, since it uses less digits than its factorization.

22144412334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17659056.

The product of its digits is 18432, while the sum is 30.

Adding to 22144412334 its reverse (43321444122), we get a palindrome (65465856456).

The spelling of 22144412334 in words is "twenty-two billion, one hundred forty-four million, four hundred twelve thousand, three hundred thirty-four".