22155522151 has 8 divisors (see below), whose sum is σ = 25323387264. Its totient is φ = 18988354680.

The previous prime is 22155522121. The next prime is 22155522173. The reversal of 22155522151 is 15122555122.

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 22155522151 - 2⁷ = 22155522023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155522121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104485 + ... + 235006.

It is an arithmetic number, because the mean of its divisors is an integer number (3165423408).

Almost surely, 2^22155522151 is an apocalyptic number.

22155522151 is a deficient number, since it is larger than the sum of its proper divisors (3167865113).

22155522151 is an equidigital number, since it uses as much as digits as its factorization.

22155522151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348821.

The product of its digits is 10000, while the sum is 31.

The spelling of 22155522151 in words is "twenty-two billion, one hundred fifty-five million, five hundred twenty-two thousand, one hundred fifty-one".