15530223210 has 32 divisors (see below), whose sum is σ = 37691334720. Its totient is φ = 4094859648.

The previous prime is 15530223143. The next prime is 15530223223. The reversal of 15530223210 is 1232203551.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2905612 + ... + 2910951.

It is an arithmetic number, because the mean of its divisors is an integer number (1177854210).

Almost surely, 2^15530223210 is an apocalyptic number.

15530223210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15530223210 is an abundant number, since it is smaller than the sum of its proper divisors (22161111510).

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

15530223210 is a wasteful number, since it uses less digits than its factorization.

15530223210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816662.

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

Adding to 15530223210 its reverse (1232203551), we get a palindrome (16762426761).

The spelling of 15530223210 in words is "fifteen billion, five hundred thirty million, two hundred twenty-three thousand, two hundred ten".