223340440481 has 2 divisors, whose sum is σ = 223340440482. Its totient is φ = 223340440480.

The previous prime is 223340440397. The next prime is 223340440487. The reversal of 223340440481 is 184044043322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157025950225 + 66314490256 = 396265^2 + 257516^2 .

It is a cyclic number.

It is not a de Polignac number, because 223340440481 - 2¹⁰ = 223340439457 is a prime.

It is a super-2 number, since 2×223340440481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223340440487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111670220240 + 111670220241.

It is an arithmetic number, because the mean of its divisors is an integer number (111670220241).

Almost surely, 2^223340440481 is an apocalyptic number.

It is an amenable number.

223340440481 is a deficient number, since it is larger than the sum of its proper divisors (1).

223340440481 is an equidigital number, since it uses as much as digits as its factorization.

223340440481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 223340440481 in words is "two hundred twenty-three billion, three hundred forty million, four hundred forty thousand, four hundred eighty-one".