221022200393 has 2 divisors, whose sum is σ = 221022200394. Its totient is φ = 221022200392.

The previous prime is 221022200389. The next prime is 221022200407. The reversal of 221022200393 is 393002220122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218268364864 + 2753835529 = 467192^2 + 52477^2 .

It is a cyclic number.

It is not a de Polignac number, because 221022200393 - 2² = 221022200389 is a prime.

It is not a weakly prime, because it can be changed into another prime (221022209393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110511100196 + 110511100197.

It is an arithmetic number, because the mean of its divisors is an integer number (110511100197).

Almost surely, 2^221022200393 is an apocalyptic number.

It is an amenable number.

221022200393 is a deficient number, since it is larger than the sum of its proper divisors (1).

221022200393 is an equidigital number, since it uses as much as digits as its factorization.

221022200393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 221022200393 in words is "two hundred twenty-one billion, twenty-two million, two hundred thousand, three hundred ninety-three".