15204230122 has 32 divisors (see below), whose sum is σ = 24211051200. Its totient is φ = 7140960000.

The previous prime is 15204230089. The next prime is 15204230123. The reversal of 15204230122 is 22103240251.

It is a happy number.

It is a super-2 number, since 2×15204230122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15204230093 and 15204230102.

It is not an unprimeable number, because it can be changed into a prime (15204230123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2180722 + ... + 2187682.

It is an arithmetic number, because the mean of its divisors is an integer number (756595350).

Almost surely, 2^15204230122 is an apocalyptic number.

15204230122 is a deficient number, since it is larger than the sum of its proper divisors (9006821078).

15204230122 is a wasteful number, since it uses less digits than its factorization.

15204230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7462.

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

Adding to 15204230122 its reverse (22103240251), we get a palindrome (37307470373).

The spelling of 15204230122 in words is "fifteen billion, two hundred four million, two hundred thirty thousand, one hundred twenty-two".