15224701 has 2 divisors, whose sum is σ = 15224702. Its totient is φ = 15224700.

The previous prime is 15224687. The next prime is 15224717. The reversal of 15224701 is 10742251.

It is a happy number.

15224701 is nontrivially palindromic in base 15.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15202201 + 22500 = 3899^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 15224701 - 2⁵ = 15224669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15224731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7612350 + 7612351.

It is an arithmetic number, because the mean of its divisors is an integer number (7612351).

Almost surely, 2^15224701 is an apocalyptic number.

It is an amenable number.

15224701 is a deficient number, since it is larger than the sum of its proper divisors (1).

15224701 is an equidigital number, since it uses as much as digits as its factorization.

15224701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 15224701 is about 3901.8842883920. The cubic root of 15224701 is about 247.8465763242.

Adding to 15224701 its reverse (10742251), we get a palindrome (25966952).

The spelling of 15224701 in words is "fifteen million, two hundred twenty-four thousand, seven hundred one".