15222996847 has 2 divisors, whose sum is σ = 15222996848. Its totient is φ = 15222996846.

The previous prime is 15222996829. The next prime is 15222996853. The reversal of 15222996847 is 74869922251.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15222996847 - 2²⁷ = 15088779119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15222996827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7611498423 + 7611498424.

It is an arithmetic number, because the mean of its divisors is an integer number (7611498424).

Almost surely, 2^15222996847 is an apocalyptic number.

15222996847 is a deficient number, since it is larger than the sum of its proper divisors (1).

15222996847 is an equidigital number, since it uses as much as digits as its factorization.

15222996847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 55.

The spelling of 15222996847 in words is "fifteen billion, two hundred twenty-two million, nine hundred ninety-six thousand, eight hundred forty-seven".