15322223212 has 12 divisors (see below), whose sum is σ = 26835716880. Its totient is φ = 7654875536.

The previous prime is 15322223173. The next prime is 15322223221. The reversal of 15322223212 is 21232222351.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553488 + ... + 1563319.

It is an arithmetic number, because the mean of its divisors is an integer number (2236309740).

Almost surely, 2^15322223212 is an apocalyptic number.

It is an amenable number.

15322223212 is a deficient number, since it is larger than the sum of its proper divisors (11513493668).

15322223212 is a wasteful number, since it uses less digits than its factorization.

15322223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118040 (or 3118038 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

Adding to 15322223212 its reverse (21232222351), we get a palindrome (36554445563).

The spelling of 15322223212 in words is "fifteen billion, three hundred twenty-two million, two hundred twenty-three thousand, two hundred twelve".