22069350145 has 8 divisors (see below), whose sum is σ = 26846004456. Its totient is φ = 17413623936.

The previous prime is 22069350137. The next prime is 22069350157. The reversal of 22069350145 is 54105396022.

It can be written as a sum of positive squares in 4 ways, for example, as 2671545969 + 19397804176 = 51687^2 + 139276^2 .

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 22069350145 - 2³ = 22069350137 is a prime.

It is a super-2 number, since 2×22069350145² (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, 30231622 + ... + 30232351.

It is an arithmetic number, because the mean of its divisors is an integer number (3355750557).

Almost surely, 2^22069350145 is an apocalyptic number.

It is an amenable number.

22069350145 is a deficient number, since it is larger than the sum of its proper divisors (4776654311).

22069350145 is an equidigital number, since it uses as much as digits as its factorization.

22069350145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60464051.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 22069350145 in words is "twenty-two billion, sixty-nine million, three hundred fifty thousand, one hundred forty-five".