22150015345 has 4 divisors (see below), whose sum is σ = 26580018420. Its totient is φ = 17720012272.

The previous prime is 22150015297. The next prime is 22150015369. The reversal of 22150015345 is 54351005122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7293330801 + 14856684544 = 85401^2 + 121888^2 .

It is a cyclic number.

It is not a de Polignac number, because 22150015345 - 2¹⁹ = 22149491057 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 2215001530 + ... + 2215001539.

It is an arithmetic number, because the mean of its divisors is an integer number (6645004605).

Almost surely, 2^22150015345 is an apocalyptic number.

It is an amenable number.

22150015345 is a deficient number, since it is larger than the sum of its proper divisors (4430003075).

22150015345 is an equidigital number, since it uses as much as digits as its factorization.

22150015345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430003074.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 22150015345 in words is "twenty-two billion, one hundred fifty million, fifteen thousand, three hundred forty-five".