22146065245 has 4 divisors (see below), whose sum is σ = 26575278300. Its totient is φ = 17716852192.

The previous prime is 22146065197. The next prime is 22146065281. The reversal of 22146065245 is 54256064122.

It is a happy number.

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 17270953561 + 4875111684 = 131419^2 + 69822^2 .

It is a cyclic number.

It is not a de Polignac number, because 22146065245 - 2¹⁵ = 22146032477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2214606520 + ... + 2214606529.

It is an arithmetic number, because the mean of its divisors is an integer number (6643819575).

Almost surely, 2^22146065245 is an apocalyptic number.

It is an amenable number.

22146065245 is a deficient number, since it is larger than the sum of its proper divisors (4429213055).

22146065245 is an equidigital number, since it uses as much as digits as its factorization.

22146065245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429213054.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 22146065245 in words is "twenty-two billion, one hundred forty-six million, sixty-five thousand, two hundred forty-five".