22421073534 has 16 divisors (see below), whose sum is σ = 44864738688. Its totient is φ = 7469925912.

The previous prime is 22421073511. The next prime is 22421073569. The reversal of 22421073534 is 43537012422.

It is a junction number, because it is equal to n+sod(n) for n = 22421073495 and 22421073504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928402 + ... + 952245.

It is an arithmetic number, because the mean of its divisors is an integer number (2804046168).

Almost surely, 2^22421073534 is an apocalyptic number.

22421073534 is an abundant number, since it is smaller than the sum of its proper divisors (22443665154).

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

22421073534 is a wasteful number, since it uses less digits than its factorization.

22421073534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882639.

The product of its (nonzero) digits is 40320, while the sum is 33.

Adding to 22421073534 its reverse (43537012422), we get a palindrome (65958085956).

The spelling of 22421073534 in words is "twenty-two billion, four hundred twenty-one million, seventy-three thousand, five hundred thirty-four".