22515445434 has 16 divisors (see below), whose sum is σ = 45032502240. Its totient is φ = 7504879920.

The previous prime is 22515445411. The next prime is 22515445471. The reversal of 22515445434 is 43454451522.

It is a super-3 number, since 3×22515445434³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22515445392 and 22515445401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190644 + ... + 285264.

It is an arithmetic number, because the mean of its divisors is an integer number (2814531390).

Almost surely, 2^22515445434 is an apocalyptic number.

22515445434 is an abundant number, since it is smaller than the sum of its proper divisors (22517056806).

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

22515445434 is a wasteful number, since it uses less digits than its factorization.

22515445434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134285.

The product of its digits is 384000, while the sum is 39.

Adding to 22515445434 its reverse (43454451522), we get a palindrome (65969896956).

The spelling of 22515445434 in words is "twenty-two billion, five hundred fifteen million, four hundred forty-five thousand, four hundred thirty-four".