22138115733 has 24 divisors (see below), whose sum is σ = 34077558528. Its totient is φ = 13816690272.

The previous prime is 22138115731. The next prime is 22138115749. The reversal of 22138115733 is 33751183122.

It is a happy number.

22138115733 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 81 + 1 + 573 + 3 = 666.

It is not a de Polignac number, because 22138115733 - 2¹ = 22138115731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22138115731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1128010 + ... + 1147467.

It is an arithmetic number, because the mean of its divisors is an integer number (1419898272).

Almost surely, 2^22138115733 is an apocalyptic number.

22138115733 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22138115733 is a deficient number, since it is larger than the sum of its proper divisors (11939442795).

22138115733 is a wasteful number, since it uses less digits than its factorization.

22138115733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275553 (or 2275550 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

Adding to 22138115733 its reverse (33751183122), we get a palindrome (55889298855).

The spelling of 22138115733 in words is "twenty-two billion, one hundred thirty-eight million, one hundred fifteen thousand, seven hundred thirty-three".