22403508425 has 6 divisors (see below), whose sum is σ = 27780350478. Its totient is φ = 17922806720.

The previous prime is 22403508401. The next prime is 22403508427. The reversal of 22403508425 is 52480530422.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1875496249 + 20528012176 = 43307^2 + 143276^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22403508425 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22403508427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448070144 + ... + 448070193.

It is an arithmetic number, because the mean of its divisors is an integer number (4630058413).

Almost surely, 2^22403508425 is an apocalyptic number.

22403508425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22403508425 is a deficient number, since it is larger than the sum of its proper divisors (5376842053).

22403508425 is an equidigital number, since it uses as much as digits as its factorization.

22403508425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896140347 (or 896140342 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 22403508425 in words is "twenty-two billion, four hundred three million, five hundred eight thousand, four hundred twenty-five".