15241781222 has 16 divisors (see below), whose sum is σ = 24988424832. Its totient is φ = 6941228160.

The previous prime is 15241781131. The next prime is 15241781231. The reversal of 15241781222 is 22218714251.

It is a congruent number.

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, 7229393 + ... + 7231500.

It is an arithmetic number, because the mean of its divisors is an integer number (1561776552).

Almost surely, 2^15241781222 is an apocalyptic number.

15241781222 is a deficient number, since it is larger than the sum of its proper divisors (9746643610).

15241781222 is a wasteful number, since it uses less digits than its factorization.

15241781222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14460943.

The product of its digits is 17920, while the sum is 35.

The spelling of 15241781222 in words is "fifteen billion, two hundred forty-one million, seven hundred eighty-one thousand, two hundred twenty-two".