22516534421 has 8 divisors (see below), whose sum is σ = 24026296320. Its totient is φ = 21039240672.

The previous prime is 22516534393. The next prime is 22516534423. The reversal of 22516534421 is 12443561522.

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 22516534421 - 2³⁴ = 5336665237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22516534423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8115605 + ... + 8118378.

It is an arithmetic number, because the mean of its divisors is an integer number (3003287040).

Almost surely, 2^22516534421 is an apocalyptic number.

It is an amenable number.

22516534421 is a deficient number, since it is larger than the sum of its proper divisors (1509761899).

22516534421 is a wasteful number, since it uses less digits than its factorization.

22516534421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16234075.

The product of its digits is 57600, while the sum is 35.

The spelling of 22516534421 in words is "twenty-two billion, five hundred sixteen million, five hundred thirty-four thousand, four hundred twenty-one".