22122142424 has 16 divisors (see below), whose sum is σ = 41514156720. Its totient is φ = 11051700640.

The previous prime is 22122142423. The next prime is 22122142457. The reversal of 22122142424 is 42424122122.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22122142393 and 22122142402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122142421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161284 + ... + 1180179.

It is an arithmetic number, because the mean of its divisors is an integer number (2594634795).

Almost surely, 2^22122142424 is an apocalyptic number.

It is an amenable number.

22122142424 is a deficient number, since it is larger than the sum of its proper divisors (19392014296).

22122142424 is a wasteful number, since it uses less digits than its factorization.

22122142424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342650 (or 2342646 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

Adding to 22122142424 its reverse (42424122122), we get a palindrome (64546264546).

The spelling of 22122142424 in words is "twenty-two billion, one hundred twenty-two million, one hundred forty-two thousand, four hundred twenty-four".