15224141 has 4 divisors (see below), whose sum is σ = 15253884. Its totient is φ = 15194400.

The previous prime is 15224123. The next prime is 15224147. The reversal of 15224141 is 14142251.

It is a happy number.

15224141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1901641 + 13322500 = 1379^2 + 3650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15224141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15224147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14090 + ... + 15131.

It is an arithmetic number, because the mean of its divisors is an integer number (3813471).

Almost surely, 2^15224141 is an apocalyptic number.

It is an amenable number.

15224141 is a deficient number, since it is larger than the sum of its proper divisors (29743).

15224141 is an equidigital number, since it uses as much as digits as its factorization.

15224141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29742.

The product of its digits is 320, while the sum is 20.

The square root of 15224141 is about 3901.8125275313. The cubic root of 15224141 is about 247.8435374953.

Adding to 15224141 its reverse (14142251), we get a palindrome (29366392).

The spelling of 15224141 in words is "fifteen million, two hundred twenty-four thousand, one hundred forty-one".