13224445501 has 2 divisors, whose sum is σ = 13224445502. Its totient is φ = 13224445500.

The previous prime is 13224445457. The next prime is 13224445511. The reversal of 13224445501 is 10554442231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6630193476 + 6594252025 = 81426^2 + 81205^2 .

It is a cyclic number.

It is not a de Polignac number, because 13224445501 - 2¹⁷ = 13224314429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13224445511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6612222750 + 6612222751.

It is an arithmetic number, because the mean of its divisors is an integer number (6612222751).

Almost surely, 2^13224445501 is an apocalyptic number.

It is an amenable number.

13224445501 is a deficient number, since it is larger than the sum of its proper divisors (1).

13224445501 is an equidigital number, since it uses as much as digits as its factorization.

13224445501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 13224445501 its reverse (10554442231), we get a palindrome (23778887732).

The spelling of 13224445501 in words is "thirteen billion, two hundred twenty-four million, four hundred forty-five thousand, five hundred one".