73120222 has 8 divisors (see below), whose sum is σ = 125348976. Its totient is φ = 31337232.

The previous prime is 73120219. The next prime is 73120237. The reversal of 73120222 is 22202137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 73120222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2611423 + ... + 2611450.

It is an arithmetic number, because the mean of its divisors is an integer number (15668622).

Almost surely, 2^73120222 is an apocalyptic number.

73120222 is a deficient number, since it is larger than the sum of its proper divisors (52228754).

73120222 is a wasteful number, since it uses less digits than its factorization.

73120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222882.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 73120222 is about 8551.0363114654. The cubic root of 73120222 is about 418.1632223529.

Adding to 73120222 its reverse (22202137), we get a palindrome (95322359).

It can be divided in two parts, 73 and 120222, that added together give a triangular number (120295 = T₄₉₀).

The spelling of 73120222 in words is "seventy-three million, one hundred twenty thousand, two hundred twenty-two".