15120232222 has 8 divisors (see below), whose sum is σ = 23462429400. Its totient is φ = 7299422424.

The previous prime is 15120232217. The next prime is 15120232241. The reversal of 15120232222 is 22223202151.

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

It is a junction number, because it is equal to n+sod(n) for n = 15120232193 and 15120232202.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 130346772 + ... + 130346887.

It is an arithmetic number, because the mean of its divisors is an integer number (2932803675).

Almost surely, 2^15120232222 is an apocalyptic number.

15120232222 is a deficient number, since it is larger than the sum of its proper divisors (8342197178).

15120232222 is a wasteful number, since it uses less digits than its factorization.

15120232222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260693690.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 15120232222 its reverse (22223202151), we get a palindrome (37343434373).

The spelling of 15120232222 in words is "fifteen billion, one hundred twenty million, two hundred thirty-two thousand, two hundred twenty-two".