33122273725 has 6 divisors (see below), whose sum is σ = 41071619450. Its totient is φ = 26497818960.

The previous prime is 33122273699. The next prime is 33122273729. The reversal of 33122273725 is 52737222133.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4243349881 + 28878923844 = 65141^2 + 169938^2 .

It is a de Polignac number, because none of the positive numbers 2^k-33122273725 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33122273729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662445450 + ... + 662445499.

Almost surely, 2^33122273725 is an apocalyptic number.

It is an amenable number.

33122273725 is a deficient number, since it is larger than the sum of its proper divisors (7949345725).

33122273725 is a wasteful number, since it uses less digits than its factorization.

33122273725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324890959 (or 1324890954 counting only the distinct ones).

The product of its digits is 105840, while the sum is 37.

Adding to 33122273725 its reverse (52737222133), we get a palindrome (85859495858).

The spelling of 33122273725 in words is "thirty-three billion, one hundred twenty-two million, two hundred seventy-three thousand, seven hundred twenty-five".