22286948945 has 4 divisors (see below), whose sum is σ = 26744338740. Its totient is φ = 17829559152.

The previous prime is 22286948933. The next prime is 22286948953. The reversal of 22286948945 is 54984968222.

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 8260810321 + 14026138624 = 90889^2 + 118432^2 .

It is a cyclic number.

It is not a de Polignac number, because 22286948945 - 2³² = 17991981649 is a prime.

It is a super-2 number, since 2×22286948945² (a number of 21 digits) contains 22 as substring.

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, 2228694890 + ... + 2228694899.

It is an arithmetic number, because the mean of its divisors is an integer number (6686084685).

Almost surely, 2^22286948945 is an apocalyptic number.

It is an amenable number.

22286948945 is a deficient number, since it is larger than the sum of its proper divisors (4457389795).

22286948945 is an equidigital number, since it uses as much as digits as its factorization.

22286948945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457389794.

The product of its digits is 19906560, while the sum is 59.

The spelling of 22286948945 in words is "twenty-two billion, two hundred eighty-six million, nine hundred forty-eight thousand, nine hundred forty-five".