15225422403 has 8 divisors (see below), whose sum is σ = 20301764368. Its totient is φ = 10149681024.

The previous prime is 15225422393. The next prime is 15225422417. The reversal of 15225422403 is 30422452251.

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

It is not a de Polignac number, because 15225422403 - 2⁶ = 15225422339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15225422483) 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 in 7 ways as a sum of consecutive naturals, for example, 87226 + ... + 195087.

It is an arithmetic number, because the mean of its divisors is an integer number (2537720546).

Almost surely, 2^15225422403 is an apocalyptic number.

15225422403 is a deficient number, since it is larger than the sum of its proper divisors (5076341965).

15225422403 is a wasteful number, since it uses less digits than its factorization.

15225422403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300293.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 15225422403 its reverse (30422452251), we get a palindrome (45647874654).

The spelling of 15225422403 in words is "fifteen billion, two hundred twenty-five million, four hundred twenty-two thousand, four hundred three".