15534542222 has 8 divisors (see below), whose sum is σ = 23302679400. Its totient is φ = 7766982424.

The previous prime is 15534542161. The next prime is 15534542227. The reversal of 15534542222 is 22224543551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15534542227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69272 + ... + 189387.

It is an arithmetic number, because the mean of its divisors is an integer number (2912834925).

Almost surely, 2^15534542222 is an apocalyptic number.

15534542222 is a deficient number, since it is larger than the sum of its proper divisors (7768137178).

15534542222 is a wasteful number, since it uses less digits than its factorization.

15534542222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288690.

The product of its digits is 96000, while the sum is 35.

The spelling of 15534542222 in words is "fifteen billion, five hundred thirty-four million, five hundred forty-two thousand, two hundred twenty-two".