2221233461 has 2 divisors, whose sum is σ = 2221233462. Its totient is φ = 2221233460.

The previous prime is 2221233439. The next prime is 2221233491. The reversal of 2221233461 is 1643321222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1566180625 + 655052836 = 39575^2 + 25594^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221233461 - 2¹⁰ = 2221232437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221233461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221233491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110616730 + 1110616731.

It is an arithmetic number, because the mean of its divisors is an integer number (1110616731).

Almost surely, 2^2221233461 is an apocalyptic number.

It is an amenable number.

2221233461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221233461 is an equidigital number, since it uses as much as digits as its factorization.

2221233461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 2221233461 is about 47129.9635157932. The cubic root of 2221233461 is about 1304.7623082116.

Adding to 2221233461 its reverse (1643321222), we get a palindrome (3864554683).

The spelling of 2221233461 in words is "two billion, two hundred twenty-one million, two hundred thirty-three thousand, four hundred sixty-one".