2234510221 has 2 divisors, whose sum is σ = 2234510222. Its totient is φ = 2234510220.

The previous prime is 2234510203. The next prime is 2234510249. The reversal of 2234510221 is 1220154322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1925980996 + 308529225 = 43886^2 + 17565^2 .

It is a cyclic number.

It is not a de Polignac number, because 2234510221 - 2¹⁷ = 2234379149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2234510192 and 2234510201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2234510021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117255110 + 1117255111.

It is an arithmetic number, because the mean of its divisors is an integer number (1117255111).

Almost surely, 2^2234510221 is an apocalyptic number.

It is an amenable number.

2234510221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2234510221 is an equidigital number, since it uses as much as digits as its factorization.

2234510221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2234510221 is about 47270.6063108990. The cubic root of 2234510221 is about 1307.3567549604.

Adding to 2234510221 its reverse (1220154322), we get a palindrome (3454664543).

The spelling of 2234510221 in words is "two billion, two hundred thirty-four million, five hundred ten thousand, two hundred twenty-one".