15344222401 has 2 divisors, whose sum is σ = 15344222402. Its totient is φ = 15344222400.

The previous prime is 15344222353. The next prime is 15344222419. The reversal of 15344222401 is 10422244351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12781433025 + 2562789376 = 113055^2 + 50624^2 .

It is a cyclic number.

It is not a de Polignac number, because 15344222401 - 2⁷ = 15344222273 is a prime.

It is a super-2 number, since 2×15344222401² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15344222401.

It is not a weakly prime, because it can be changed into another prime (15344222801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7672111200 + 7672111201.

It is an arithmetic number, because the mean of its divisors is an integer number (7672111201).

Almost surely, 2^15344222401 is an apocalyptic number.

It is an amenable number.

15344222401 is a deficient number, since it is larger than the sum of its proper divisors (1).

15344222401 is an equidigital number, since it uses as much as digits as its factorization.

15344222401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 15344222401 its reverse (10422244351), we get a palindrome (25766466752).

The spelling of 15344222401 in words is "fifteen billion, three hundred forty-four million, two hundred twenty-two thousand, four hundred one".