22513354313242 has 16 divisors (see below), whose sum is σ = 37254743912232. Its totient is φ = 10137345281280.

The previous prime is 22513354313113. The next prime is 22513354313249. The reversal of 22513354313242 is 24231345331522.

It can be written as a sum of positive squares in 4 ways, for example, as 11432384954761 + 11080969358481 = 3381181^2 + 3328809^2 .

It is a super-2 number, since 2×22513354313242² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22513354313195 and 22513354313204.

It is not an unprimeable number, because it can be changed into a prime (22513354313249) 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 7 ways as a sum of consecutive naturals, for example, 10559733603 + ... + 10559735734.

Almost surely, 2^{22513354313242} is an apocalyptic number.

22513354313242 is a deficient number, since it is larger than the sum of its proper divisors (14741389598990).

22513354313242 is a wasteful number, since it uses less digits than its factorization.

22513354313242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21119469393.

The product of its digits is 518400, while the sum is 40.

Adding to 22513354313242 its reverse (24231345331522), we get a palindrome (46744699644764).

The spelling of 22513354313242 in words is "twenty-two trillion, five hundred thirteen billion, three hundred fifty-four million, three hundred thirteen thousand, two hundred forty-two".