22443223015055 has 4 divisors (see below), whose sum is σ = 26931867618072. Its totient is φ = 17954578412040.

The previous prime is 22443223015043. The next prime is 22443223015063. The reversal of 22443223015055 is 55051032234422.

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

It is not a de Polignac number, because 22443223015055 - 2¹² = 22443223010959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2244322301501 + ... + 2244322301510.

It is an arithmetic number, because the mean of its divisors is an integer number (6732966904518).

Almost surely, 2^{22443223015055} is an apocalyptic number.

22443223015055 is a deficient number, since it is larger than the sum of its proper divisors (4488644603017).

22443223015055 is an equidigital number, since it uses as much as digits as its factorization.

22443223015055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488644603016.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 22443223015055 its reverse (55051032234422), we get a palindrome (77494255249477).

The spelling of 22443223015055 in words is "twenty-two trillion, four hundred forty-three billion, two hundred twenty-three million, fifteen thousand, fifty-five".