15252420432422 has 8 divisors (see below), whose sum is σ = 22879083117072. Its totient is φ = 7626059393400.

The previous prime is 15252420432377. The next prime is 15252420432493. The reversal of 15252420432422 is 22423402425251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75284954 + ... + 75487277.

It is an arithmetic number, because the mean of its divisors is an integer number (2859885389634).

Almost surely, 2^{15252420432422} is an apocalyptic number.

15252420432422 is a deficient number, since it is larger than the sum of its proper divisors (7626662684650).

15252420432422 is a wasteful number, since it uses less digits than its factorization.

15252420432422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150822814.

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 15252420432422 its reverse (22423402425251), we get a palindrome (37675822857673).

The spelling of 15252420432422 in words is "fifteen trillion, two hundred fifty-two billion, four hundred twenty million, four hundred thirty-two thousand, four hundred twenty-two".