22521351343117 has 8 divisors (see below), whose sum is σ = 24571887592320. Its totient is φ = 20471338539360.

The previous prime is 22521351343109. The next prime is 22521351343129. The reversal of 22521351343117 is 71134315312522.

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 22521351343117 - 2³ = 22521351343109 is a prime.

It is a super-2 number, since 2×22521351343117² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22521351343117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22521351343417) 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, 130771392 + ... + 130943497.

It is an arithmetic number, because the mean of its divisors is an integer number (3071485949040).

Almost surely, 2^{22521351343117} is an apocalyptic number.

It is an amenable number.

22521351343117 is a deficient number, since it is larger than the sum of its proper divisors (2050536249203).

22521351343117 is a wasteful number, since it uses less digits than its factorization.

22521351343117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261722723.

The product of its digits is 151200, while the sum is 40.

Adding to 22521351343117 its reverse (71134315312522), we get a palindrome (93655666655639).

The spelling of 22521351343117 in words is "twenty-two trillion, five hundred twenty-one billion, three hundred fifty-one million, three hundred forty-three thousand, one hundred seventeen".