73222306 has 4 divisors (see below), whose sum is σ = 109833462. Its totient is φ = 36611152.

The previous prime is 73222267. The next prime is 73222313. The reversal of 73222306 is 60322237.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60322237 = 167 ⋅361211.

It can be written as a sum of positive squares in only one way, i.e., 39175081 + 34047225 = 6259^2 + 5835^2 .

It is an unprimeable number.

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, 18305575 + ... + 18305578.

Almost surely, 2^73222306 is an apocalyptic number.

73222306 is a deficient number, since it is larger than the sum of its proper divisors (36611156).

73222306 is a wasteful number, since it uses less digits than its factorization.

73222306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36611155.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 73222306 is about 8557.0033306059. The cubic root of 73222306 is about 418.3577327222.

The spelling of 73222306 in words is "seventy-three million, two hundred twenty-two thousand, three hundred six".