73223161 has 16 divisors (see below), whose sum is σ = 82243008. Its totient is φ = 64627200.

The previous prime is 73223159. The next prime is 73223177. The reversal of 73223161 is 16132237.

It is not a de Polignac number, because 73223161 - 2¹ = 73223159 is a prime.

It is a Duffinian number.

Its product of digits (1512) is a multiple of the sum of its prime divisors (1512).

It is not an unprimeable number, because it can be changed into a prime (73223561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53121 + ... + 54481.

It is an arithmetic number, because the mean of its divisors is an integer number (5140188).

Almost surely, 2^73223161 is an apocalyptic number.

It is an amenable number.

73223161 is a deficient number, since it is larger than the sum of its proper divisors (9019847).

73223161 is a wasteful number, since it uses less digits than its factorization.

73223161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512.

The product of its digits is 1512, while the sum is 25.

The square root of 73223161 is about 8557.0532895384. The cubic root of 73223161 is about 418.3593610715.

Adding to 73223161 its reverse (16132237), we get a palindrome (89355398).

The spelling of 73223161 in words is "seventy-three million, two hundred twenty-three thousand, one hundred sixty-one".