22402420424 has 16 divisors (see below), whose sum is σ = 43452971100. Its totient is φ = 10814961472.

The previous prime is 22402420399. The next prime is 22402420441. The reversal of 22402420424 is 42402420422.

It can be written as a sum of positive squares in 2 ways, for example, as 19104215524 + 3298204900 = 138218^2 + 57430^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22402420393 and 22402420402.

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, 48280847 + ... + 48281310.

Almost surely, 2^22402420424 is an apocalyptic number.

It is an amenable number.

22402420424 is a deficient number, since it is larger than the sum of its proper divisors (21050550676).

22402420424 is a wasteful number, since it uses less digits than its factorization.

22402420424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96562192 (or 96562188 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22402420424 its reverse (42402420422), we get a palindrome (64804840846).

The spelling of 22402420424 in words is "twenty-two billion, four hundred two million, four hundred twenty thousand, four hundred twenty-four".