22533135240449 has 8 divisors (see below), whose sum is σ = 22583006807592. Its totient is φ = 22483267971840.

The previous prime is 22533135240443. The next prime is 22533135240481. The reversal of 22533135240449 is 94404253133522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12988866456049 + 9544268784400 = 3604007^2 + 3089380^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22533135240449 - 2⁴ = 22533135240433 is a prime.

It is a super-2 number, since 2×22533135240449² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22533135240443) 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, 9536867 + ... + 11662679.

It is an arithmetic number, because the mean of its divisors is an integer number (2822875850949).

Almost surely, 2^{22533135240449} is an apocalyptic number.

It is an amenable number.

22533135240449 is a deficient number, since it is larger than the sum of its proper divisors (49871567143).

22533135240449 is a wasteful number, since it uses less digits than its factorization.

22533135240449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149267.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 22533135240449 in words is "twenty-two trillion, five hundred thirty-three billion, one hundred thirty-five million, two hundred forty thousand, four hundred forty-nine".