43222450013 has 2 divisors, whose sum is σ = 43222450014. Its totient is φ = 43222450012.

The previous prime is 43222449983. The next prime is 43222450039. The reversal of 43222450013 is 31005422234.

It is an a-pointer prime, because the next prime (43222450039) can be obtained adding 43222450013 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40950783769 + 2271666244 = 202363^2 + 47662^2 .

It is a cyclic number.

It is not a de Polignac number, because 43222450013 - 2¹⁴ = 43222433629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43222455013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21611225006 + 21611225007.

It is an arithmetic number, because the mean of its divisors is an integer number (21611225007).

Almost surely, 2^43222450013 is an apocalyptic number.

It is an amenable number.

43222450013 is a deficient number, since it is larger than the sum of its proper divisors (1).

43222450013 is an equidigital number, since it uses as much as digits as its factorization.

43222450013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 43222450013 its reverse (31005422234), we get a palindrome (74227872247).

The spelling of 43222450013 in words is "forty-three billion, two hundred twenty-two million, four hundred fifty thousand, thirteen".