15222673 has 2 divisors, whose sum is σ = 15222674. Its totient is φ = 15222672.

The previous prime is 15222659. The next prime is 15222707. The reversal of 15222673 is 37622251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9690769 + 5531904 = 3113^2 + 2352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15222673 is a prime.

It is not a weakly prime, because it can be changed into another prime (15222373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7611336 + 7611337.

It is an arithmetic number, because the mean of its divisors is an integer number (7611337).

Almost surely, 2^15222673 is an apocalyptic number.

It is an amenable number.

15222673 is a deficient number, since it is larger than the sum of its proper divisors (1).

15222673 is an equidigital number, since it uses as much as digits as its factorization.

15222673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 15222673 is about 3901.6244052958. The cubic root of 15222673 is about 247.8355710686.

The spelling of 15222673 in words is "fifteen million, two hundred twenty-two thousand, six hundred seventy-three".