22155345514 has 8 divisors (see below), whose sum is σ = 34131208068. Its totient is φ = 10778276160.

The previous prime is 22155345497. The next prime is 22155345517. The reversal of 22155345514 is 41554355122.

It can be written as a sum of positive squares in 2 ways, for example, as 21772478025 + 382867489 = 147555^2 + 19567^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (22155345517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149698207 + ... + 149698354.

Almost surely, 2^22155345514 is an apocalyptic number.

22155345514 is a deficient number, since it is larger than the sum of its proper divisors (11975862554).

22155345514 is a wasteful number, since it uses less digits than its factorization.

22155345514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299396600.

The product of its digits is 120000, while the sum is 37.

The spelling of 22155345514 in words is "twenty-two billion, one hundred fifty-five million, three hundred forty-five thousand, five hundred fourteen".