15222332449 has 2 divisors, whose sum is σ = 15222332450. Its totient is φ = 15222332448.

The previous prime is 15222332417. The next prime is 15222332459. The reversal of 15222332449 is 94423322251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11676963600 + 3545368849 = 108060^2 + 59543^2 .

It is a cyclic number.

It is not a de Polignac number, because 15222332449 - 2⁵ = 15222332417 is a prime.

It is not a weakly prime, because it can be changed into another prime (15222332459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7611166224 + 7611166225.

It is an arithmetic number, because the mean of its divisors is an integer number (7611166225).

Almost surely, 2^15222332449 is an apocalyptic number.

It is an amenable number.

15222332449 is a deficient number, since it is larger than the sum of its proper divisors (1).

15222332449 is an equidigital number, since it uses as much as digits as its factorization.

15222332449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

The spelling of 15222332449 in words is "fifteen billion, two hundred twenty-two million, three hundred thirty-two thousand, four hundred forty-nine".