15226206242 has 16 divisors (see below), whose sum is σ = 24783941952. Its totient is φ = 6973833360.

The previous prime is 15226206223. The next prime is 15226206257. The reversal of 15226206242 is 24260262251.

It is a junction number, because it is equal to n+sod(n) for n = 15226206199 and 15226206208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231798 + ... + 2238609.

It is an arithmetic number, because the mean of its divisors is an integer number (1548996372).

Almost surely, 2^15226206242 is an apocalyptic number.

15226206242 is a deficient number, since it is larger than the sum of its proper divisors (9557735710).

15226206242 is a wasteful number, since it uses less digits than its factorization.

15226206242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470553.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 15226206242 its reverse (24260262251), we get a palindrome (39486468493).

The spelling of 15226206242 in words is "fifteen billion, two hundred twenty-six million, two hundred six thousand, two hundred forty-two".