22400225530 has 16 divisors (see below), whose sum is σ = 41710765320. Its totient is φ = 8651121472.

The previous prime is 22400225509. The next prime is 22400225543. The reversal of 22400225530 is 3552200422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22096525201 + 303700329 = 148649^2 + 17427^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22400225495 and 22400225504.

It is an unprimeable number.

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, 38620789 + ... + 38621368.

Almost surely, 2^22400225530 is an apocalyptic number.

22400225530 is a deficient number, since it is larger than the sum of its proper divisors (19310539790).

22400225530 is a wasteful number, since it uses less digits than its factorization.

22400225530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77242193.

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 22400225530 its reverse (3552200422), we get a palindrome (25952425952).

The spelling of 22400225530 in words is "twenty-two billion, four hundred million, two hundred twenty-five thousand, five hundred thirty".