15224146 has 32 divisors (see below), whose sum is σ = 28242432. Its totient is φ = 6005760.

The previous prime is 15224123. The next prime is 15224147. The reversal of 15224146 is 64142251.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15224146.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10506 + ... + 11866.

It is an arithmetic number, because the mean of its divisors is an integer number (882576).

Almost surely, 2^15224146 is an apocalyptic number.

15224146 is a deficient number, since it is larger than the sum of its proper divisors (13018286).

15224146 is a wasteful number, since it uses less digits than its factorization.

15224146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its digits is 1920, while the sum is 25.

The square root of 15224146 is about 3901.8131682591. The cubic root of 15224146 is about 247.8435646280.

Adding to 15224146 its reverse (64142251), we get a palindrome (79366397).

The spelling of 15224146 in words is "fifteen million, two hundred twenty-four thousand, one hundred forty-six".