15122122230 has 32 divisors (see below), whose sum is σ = 38203257600. Its totient is φ = 3820325472.

The previous prime is 15122122229. The next prime is 15122122243. The reversal of 15122122230 is 3222122151.

It is a junction number, because it is equal to n+sod(n) for n = 15122122197 and 15122122206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13264450 + ... + 13265589.

It is an arithmetic number, because the mean of its divisors is an integer number (1193851800).

Almost surely, 2^15122122230 is an apocalyptic number.

15122122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15122122230 is an abundant number, since it is smaller than the sum of its proper divisors (23081135370).

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

15122122230 is a wasteful number, since it uses less digits than its factorization.

15122122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26530068.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 15122122230 its reverse (3222122151), we get a palindrome (18344244381).

The spelling of 15122122230 in words is "fifteen billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred thirty".