22151427344 has 20 divisors (see below), whose sum is σ = 42968731596. Its totient is φ = 11062722432.

The previous prime is 22151427341. The next prime is 22151427359. The reversal of 22151427344 is 44372415122.

It can be written as a sum of positive squares in 2 ways, for example, as 1856575744 + 20294851600 = 43088^2 + 142460^2 .

It is not an unprimeable number, because it can be changed into a prime (22151427341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797879 + ... + 825174.

Almost surely, 2^22151427344 is an apocalyptic number.

It is an amenable number.

22151427344 is a deficient number, since it is larger than the sum of its proper divisors (20817304252).

22151427344 is a wasteful number, since it uses less digits than its factorization.

22151427344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623914 (or 1623908 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The spelling of 22151427344 in words is "twenty-two billion, one hundred fifty-one million, four hundred twenty-seven thousand, three hundred forty-four".