2204343150421 has 2 divisors, whose sum is σ = 2204343150422. Its totient is φ = 2204343150420.

The previous prime is 2204343150367. The next prime is 2204343150437. The reversal of 2204343150421 is 1240513434022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1934032583025 + 270310567396 = 1390695^2 + 519914^2 .

It is a cyclic number.

It is not a de Polignac number, because 2204343150421 - 2⁷ = 2204343150293 is a prime.

It is a super-4 number, since 4×2204343150421⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2204343150481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102171575210 + 1102171575211.

It is an arithmetic number, because the mean of its divisors is an integer number (1102171575211).

Almost surely, 2^{2204343150421} is an apocalyptic number.

It is an amenable number.

2204343150421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204343150421 is an equidigital number, since it uses as much as digits as its factorization.

2204343150421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2204343150421 its reverse (1240513434022), we get a palindrome (3444856584443).

The spelling of 2204343150421 in words is "two trillion, two hundred four billion, three hundred forty-three million, one hundred fifty thousand, four hundred twenty-one".