15220445241 has 16 divisors (see below), whose sum is σ = 20381586368. Its totient is φ = 10103227200.

The previous prime is 15220445209. The next prime is 15220445243. The reversal of 15220445241 is 14254402251.

It is not a de Polignac number, because 15220445241 - 2⁵ = 15220445209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15220445199 and 15220445208.

It is not an unprimeable number, because it can be changed into a prime (15220445243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668871 + ... + 691251.

It is an arithmetic number, because the mean of its divisors is an integer number (1273849148).

Almost surely, 2^15220445241 is an apocalyptic number.

It is an amenable number.

15220445241 is a deficient number, since it is larger than the sum of its proper divisors (5161141127).

15220445241 is a wasteful number, since it uses less digits than its factorization.

15220445241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23352.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 15220445241 its reverse (14254402251), we get a palindrome (29474847492).

Subtracting from 15220445241 its reverse (14254402251), we obtain a triangular number (966042990 = T₄₃₉₅₅).

The spelling of 15220445241 in words is "fifteen billion, two hundred twenty million, four hundred forty-five thousand, two hundred forty-one".