15530230122 has 16 divisors (see below), whose sum is σ = 33884138592. Its totient is φ = 4706130320.

The previous prime is 15530230109. The next prime is 15530230129. The reversal of 15530230122 is 22103203551.

It is a happy number.

15530230122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15530230122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15530230092 and 15530230101.

It is not an unprimeable number, because it can be changed into a prime (15530230129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117653193 + ... + 117653324.

It is an arithmetic number, because the mean of its divisors is an integer number (2117758662).

Almost surely, 2^15530230122 is an apocalyptic number.

15530230122 is an abundant number, since it is smaller than the sum of its proper divisors (18353908470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15530230122 is a wasteful number, since it uses less digits than its factorization.

15530230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235306533.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 15530230122 its reverse (22103203551), we get a palindrome (37633433673).

The spelling of 15530230122 in words is "fifteen billion, five hundred thirty million, two hundred thirty thousand, one hundred twenty-two".