73222313057 has 2 divisors, whose sum is σ = 73222313058. Its totient is φ = 73222313056.

The previous prime is 73222313053. The next prime is 73222313083. The reversal of 73222313057 is 75031322237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61234471936 + 11987841121 = 247456^2 + 109489^2 .

It is a cyclic number.

It is not a de Polignac number, because 73222313057 - 2² = 73222313053 is a prime.

It is not a weakly prime, because it can be changed into another prime (73222313051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36611156528 + 36611156529.

It is an arithmetic number, because the mean of its divisors is an integer number (36611156529).

Almost surely, 2^73222313057 is an apocalyptic number.

It is an amenable number.

73222313057 is a deficient number, since it is larger than the sum of its proper divisors (1).

73222313057 is an equidigital number, since it uses as much as digits as its factorization.

73222313057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 35.

The spelling of 73222313057 in words is "seventy-three billion, two hundred twenty-two million, three hundred thirteen thousand, fifty-seven".