73440440222 has 4 divisors (see below), whose sum is σ = 110160660336. Its totient is φ = 36720220110.

The previous prime is 73440440219. The next prime is 73440440233. The reversal of 73440440222 is 22204404437.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18360110054 + ... + 18360110057.

It is an arithmetic number, because the mean of its divisors is an integer number (27540165084).

Almost surely, 2^73440440222 is an apocalyptic number.

73440440222 is a deficient number, since it is larger than the sum of its proper divisors (36720220114).

73440440222 is a wasteful number, since it uses less digits than its factorization.

73440440222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36720220113.

The product of its (nonzero) digits is 43008, while the sum is 32.

Adding to 73440440222 its reverse (22204404437), we get a palindrome (95644844659).

The spelling of 73440440222 in words is "seventy-three billion, four hundred forty million, four hundred forty thousand, two hundred twenty-two".