15442212241 has 2 divisors, whose sum is σ = 15442212242. Its totient is φ = 15442212240.

The previous prime is 15442212221. The next prime is 15442212251. The reversal of 15442212241 is 14221224451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10440752400 + 5001459841 = 102180^2 + 70721^2 .

It is a cyclic number.

It is not a de Polignac number, because 15442212241 - 2¹⁷ = 15442081169 is a prime.

It is not a weakly prime, because it can be changed into another prime (15442212221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7721106120 + 7721106121.

It is an arithmetic number, because the mean of its divisors is an integer number (7721106121).

Almost surely, 2^15442212241 is an apocalyptic number.

It is an amenable number.

15442212241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15442212241 is an equidigital number, since it uses as much as digits as its factorization.

15442212241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5120, while the sum is 28.

Adding to 15442212241 its reverse (14221224451), we get a palindrome (29663436692).

The spelling of 15442212241 in words is "fifteen billion, four hundred forty-two million, two hundred twelve thousand, two hundred forty-one".