22144020093 has 24 divisors (see below), whose sum is σ = 34918133432. Its totient is φ = 13440411648.

The previous prime is 22144020077. The next prime is 22144020127. The reversal of 22144020093 is 39002044122.

It can be written as a sum of positive squares in 4 ways, for example, as 10614564 + 22133405529 = 3258^2 + 148773^2 .

It is not a de Polignac number, because 22144020093 - 2⁴ = 22144020077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144020043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1287796 + ... + 1304877.

Almost surely, 2^22144020093 is an apocalyptic number.

It is an amenable number.

22144020093 is a deficient number, since it is larger than the sum of its proper divisors (12774113339).

22144020093 is a wasteful number, since it uses less digits than its factorization.

22144020093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592765 (or 2592762 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 22144020093 in words is "twenty-two billion, one hundred forty-four million, twenty thousand, ninety-three".