22203425530 has 64 divisors (see below), whose sum is σ = 47080268928. Its totient is φ = 7432738560.

The previous prime is 22203425509. The next prime is 22203425581. The reversal of 22203425530 is 3552430222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 512577 + ... + 554203.

It is an arithmetic number, because the mean of its divisors is an integer number (735629202).

Almost surely, 2^22203425530 is an apocalyptic number.

22203425530 is an abundant number, since it is smaller than the sum of its proper divisors (24876843398).

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

22203425530 is a wasteful number, since it uses less digits than its factorization.

22203425530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42031.

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 22203425530 its reverse (3552430222), we get a palindrome (25755855752).

The spelling of 22203425530 in words is "twenty-two billion, two hundred three million, four hundred twenty-five thousand, five hundred thirty".