22421024422 has 8 divisors (see below), whose sum is σ = 33640222896. Its totient is φ = 11207616792.

The previous prime is 22421024419. The next prime is 22421024449. The reversal of 22421024422 is 22442012422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22421024422² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438018 + ... + 1453525.

It is an arithmetic number, because the mean of its divisors is an integer number (4205027862).

Almost surely, 2^22421024422 is an apocalyptic number.

22421024422 is a deficient number, since it is larger than the sum of its proper divisors (11219198474).

22421024422 is a wasteful number, since it uses less digits than its factorization.

22421024422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895422.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 22421024422 its reverse (22442012422), we get a palindrome (44863036844).

The spelling of 22421024422 in words is "twenty-two billion, four hundred twenty-one million, twenty-four thousand, four hundred twenty-two".