15530222230 has 16 divisors (see below), whose sum is σ = 27956294640. Its totient is φ = 6211667872.

The previous prime is 15530222167. The next prime is 15530222243. The reversal of 15530222230 is 3222203551.

It is a junction number, because it is equal to n+sod(n) for n = 15530222195 and 15530222204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133716 + ... + 221224.

It is an arithmetic number, because the mean of its divisors is an integer number (1747268415).

Almost surely, 2^15530222230 is an apocalyptic number.

15530222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15530222230 is a deficient number, since it is larger than the sum of its proper divisors (12426072410).

15530222230 is a wasteful number, since it uses less digits than its factorization.

15530222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105263.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 15530222230 its reverse (3222203551), we get a palindrome (18752425781).

The spelling of 15530222230 in words is "fifteen billion, five hundred thirty million, two hundred twenty-two thousand, two hundred thirty".