15132422 has 4 divisors (see below), whose sum is σ = 22698636. Its totient is φ = 7566210.

The previous prime is 15132421. The next prime is 15132427. The reversal of 15132422 is 22423151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22423151 = 179 ⋅125269.

It is a junction number, because it is equal to n+sod(n) for n = 15132394 and 15132403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15132421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3783104 + ... + 3783107.

It is an arithmetic number, because the mean of its divisors is an integer number (5674659).

Almost surely, 2^15132422 is an apocalyptic number.

15132422 is a deficient number, since it is larger than the sum of its proper divisors (7566214).

15132422 is an equidigital number, since it uses as much as digits as its factorization.

15132422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566213.

The product of its digits is 480, while the sum is 20.

The square root of 15132422 is about 3890.0413879546. The cubic root of 15132422 is about 247.3448171850.

Adding to 15132422 its reverse (22423151), we get a palindrome (37555573).

The spelling of 15132422 in words is "fifteen million, one hundred thirty-two thousand, four hundred twenty-two".