221325625307 has 2 divisors, whose sum is σ = 221325625308. Its totient is φ = 221325625306.

The previous prime is 221325625291. The next prime is 221325625387. The reversal of 221325625307 is 703526523122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221325625307 - 2⁴ = 221325625291 is a prime.

It is not a weakly prime, because it can be changed into another prime (221325625387) by changing a digit.

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 as a sum of consecutive naturals, namely, 110662812653 + 110662812654.

It is an arithmetic number, because the mean of its divisors is an integer number (110662812654).

Almost surely, 2^221325625307 is an apocalyptic number.

221325625307 is a deficient number, since it is larger than the sum of its proper divisors (1).

221325625307 is an equidigital number, since it uses as much as digits as its factorization.

221325625307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 221325625307 in words is "two hundred twenty-one billion, three hundred twenty-five million, six hundred twenty-five thousand, three hundred seven".