33422244545 has 24 divisors (see below), whose sum is σ = 42851278584. Its totient is φ = 25019334656.

The previous prime is 33422244521. The next prime is 33422244553. The reversal of 33422244545 is 54544222433.

It can be written as a sum of positive squares in 12 ways, for example, as 1252593664 + 32169650881 = 35392^2 + 179359^2 .

It is a de Polignac number, because none of the positive numbers 2^k-33422244545 is a prime.

It is a super-2 number, since 2×33422244545² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33422244499 and 33422244508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183137 + ... + 316833.

It is an arithmetic number, because the mean of its divisors is an integer number (1785469941).

Almost surely, 2^33422244545 is an apocalyptic number.

It is an amenable number.

33422244545 is a deficient number, since it is larger than the sum of its proper divisors (9429034039).

33422244545 is a wasteful number, since it uses less digits than its factorization.

33422244545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133909 (or 133892 counting only the distinct ones).

The product of its digits is 460800, while the sum is 38.

Adding to 33422244545 its reverse (54544222433), we get a palindrome (87966466978).

The spelling of 33422244545 in words is "thirty-three billion, four hundred twenty-two million, two hundred forty-four thousand, five hundred forty-five".