221925496033 has 2 divisors, whose sum is σ = 221925496034. Its totient is φ = 221925496032.

The previous prime is 221925495989. The next prime is 221925496049. The reversal of 221925496033 is 330694529122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221922961569 + 2534464 = 471087^2 + 1592^2 .

It is a cyclic number.

It is not a de Polignac number, because 221925496033 - 2²¹ = 221923398881 is a prime.

It is not a weakly prime, because it can be changed into another prime (221925496433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110962748016 + 110962748017.

It is an arithmetic number, because the mean of its divisors is an integer number (110962748017).

Almost surely, 2^221925496033 is an apocalyptic number.

It is an amenable number.

221925496033 is a deficient number, since it is larger than the sum of its proper divisors (1).

221925496033 is an equidigital number, since it uses as much as digits as its factorization.

221925496033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 221925496033 in words is "two hundred twenty-one billion, nine hundred twenty-five million, four hundred ninety-six thousand, thirty-three".