22115000155 has 8 divisors (see below), whose sum is σ = 26857735632. Its totient is φ = 17478843168.

The previous prime is 22115000053. The next prime is 22115000203. The reversal of 22115000155 is 55100051122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22115000155 - 2²³ = 22106611547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26644164 + ... + 26644993.

It is an arithmetic number, because the mean of its divisors is an integer number (3357216954).

Almost surely, 2^22115000155 is an apocalyptic number.

22115000155 is a deficient number, since it is larger than the sum of its proper divisors (4742735477).

22115000155 is an equidigital number, since it uses as much as digits as its factorization.

22115000155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53289245.

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 22115000155 its reverse (55100051122), we get a palindrome (77215051277).

The spelling of 22115000155 in words is "twenty-two billion, one hundred fifteen million, one hundred fifty-five", and thus it is an aban number.