2221105253 has 2 divisors, whose sum is σ = 2221105254. Its totient is φ = 2221105252.

The previous prime is 2221105231. The next prime is 2221105261. The reversal of 2221105253 is 3525011222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1137510529 + 1083594724 = 33727^2 + 32918^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221105253 - 2⁶ = 2221105189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221105213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110552626 + 1110552627.

It is an arithmetic number, because the mean of its divisors is an integer number (1110552627).

Almost surely, 2^2221105253 is an apocalyptic number.

It is an amenable number.

2221105253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221105253 is an equidigital number, since it uses as much as digits as its factorization.

2221105253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2221105253 is about 47128.6033423440. The cubic root of 2221105253 is about 1304.7372044142.

Adding to 2221105253 its reverse (3525011222), we get a palindrome (5746116475).

The spelling of 2221105253 in words is "two billion, two hundred twenty-one million, one hundred five thousand, two hundred fifty-three".