22044501305 has 8 divisors (see below), whose sum is σ = 26454235272. Its totient is φ = 17635045248.

The previous prime is 22044501229. The next prime is 22044501313. The reversal of 22044501305 is 50310544022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2626357504 + 19418143801 = 51248^2 + 139349^2 .

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 22044501305 - 2¹⁰ = 22044500281 is a prime.

It is a super-2 number, since 2×22044501305² (a number of 21 digits) contains 22 as substring.

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, 200207 + ... + 290123.

It is an arithmetic number, because the mean of its divisors is an integer number (3306779409).

Almost surely, 2^22044501305 is an apocalyptic number.

It is an amenable number.

22044501305 is a deficient number, since it is larger than the sum of its proper divisors (4409733967).

22044501305 is an equidigital number, since it uses as much as digits as its factorization.

22044501305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138955.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 22044501305 in words is "twenty-two billion, forty-four million, five hundred one thousand, three hundred five".