44522235226213 has 4 divisors (see below), whose sum is σ = 44522321993548. Its totient is φ = 44522148458880.

The previous prime is 44522235226171. The next prime is 44522235226289. The reversal of 44522235226213 is 31262253222544.

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 27834667084449 + 16687568141764 = 5275857^2 + 4085042^2 .

It is a cyclic number.

It is not a de Polignac number, because 44522235226213 - 2⁴⁵ = 9337863137381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44522235226213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44522235286213) 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, 42609378 + ... + 43641763.

It is an arithmetic number, because the mean of its divisors is an integer number (11130580498387).

Almost surely, 2^{44522235226213} is an apocalyptic number.

It is an amenable number.

44522235226213 is a deficient number, since it is larger than the sum of its proper divisors (86767335).

44522235226213 is an equidigital number, since it uses as much as digits as its factorization.

44522235226213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86767334.

The product of its digits is 1382400, while the sum is 43.

Adding to 44522235226213 its reverse (31262253222544), we get a palindrome (75784488448757).

The spelling of 44522235226213 in words is "forty-four trillion, five hundred twenty-two billion, two hundred thirty-five million, two hundred twenty-six thousand, two hundred thirteen".