22355556073 has 4 divisors (see below), whose sum is σ = 22358067588. Its totient is φ = 22353044560.

The previous prime is 22355556043. The next prime is 22355556131. The reversal of 22355556073 is 37065555322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5649476569 + 16706079504 = 75163^2 + 129252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22355556073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22355556023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242358 + ... + 1260223.

It is an arithmetic number, because the mean of its divisors is an integer number (5589516897).

Almost surely, 2^22355556073 is an apocalyptic number.

It is an amenable number.

22355556073 is a deficient number, since it is larger than the sum of its proper divisors (2511515).

22355556073 is an equidigital number, since it uses as much as digits as its factorization.

22355556073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511514.

The product of its (nonzero) digits is 945000, while the sum is 43.

The spelling of 22355556073 in words is "twenty-two billion, three hundred fifty-five million, five hundred fifty-six thousand, seventy-three".