15222997124 has 6 divisors (see below), whose sum is σ = 26640244974. Its totient is φ = 7611498560.

The previous prime is 15222997121. The next prime is 15222997129. The reversal of 15222997124 is 42179922251.

It can be written as a sum of positive squares in only one way, i.e., 11389158400 + 3833838724 = 106720^2 + 61918^2 .

It is not an unprimeable number, because it can be changed into a prime (15222997121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902874637 + ... + 1902874644.

It is an arithmetic number, because the mean of its divisors is an integer number (4440040829).

Almost surely, 2^15222997124 is an apocalyptic number.

It is an amenable number.

15222997124 is a deficient number, since it is larger than the sum of its proper divisors (11417247850).

15222997124 is a wasteful number, since it uses less digits than its factorization.

15222997124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805749285 (or 3805749283 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The spelling of 15222997124 in words is "fifteen billion, two hundred twenty-two million, nine hundred ninety-seven thousand, one hundred twenty-four".