33133222340 has 24 divisors (see below), whose sum is σ = 69583765272. Its totient is φ = 13252527360.

The previous prime is 33133222277. The next prime is 33133222349. The reversal of 33133222340 is 4322233133.

It can be written as a sum of positive squares in 4 ways, for example, as 9172659076 + 23960563264 = 95774^2 + 154792^2 .

It is not an unprimeable number, because it can be changed into a prime (33133222349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422282 + ... + 494558.

It is an arithmetic number, because the mean of its divisors is an integer number (2899323553).

Almost surely, 2^33133222340 is an apocalyptic number.

It is an amenable number.

33133222340 is an abundant number, since it is smaller than the sum of its proper divisors (36450542932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33133222340 is a wasteful number, since it uses less digits than its factorization.

33133222340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95207 (or 95205 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 33133222340 its reverse (4322233133), we get a palindrome (37455455473).

The spelling of 33133222340 in words is "thirty-three billion, one hundred thirty-three million, two hundred twenty-two thousand, three hundred forty".