102224420425 has 6 divisors (see below), whose sum is σ = 126758281358. Its totient is φ = 81779536320.

The previous prime is 102224420411. The next prime is 102224420447. The reversal of 102224420425 is 524024422201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 473628169 + 101750792256 = 21763^2 + 318984^2 .

It is not a de Polignac number, because 102224420425 - 2⁷ = 102224420297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102224420393 and 102224420402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2044488384 + ... + 2044488433.

Almost surely, 2^102224420425 is an apocalyptic number.

It is an amenable number.

102224420425 is a deficient number, since it is larger than the sum of its proper divisors (24533860933).

102224420425 is an equidigital number, since it uses as much as digits as its factorization.

102224420425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088976827 (or 4088976822 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 102224420425 its reverse (524024422201), we get a palindrome (626248842626).

The spelling of 102224420425 in words is "one hundred two billion, two hundred twenty-four million, four hundred twenty thousand, four hundred twenty-five".