44220123220213 has 16 divisors (see below), whose sum is σ = 46593277125120. Its totient is φ = 41851567370736.

The previous prime is 44220123220201. The next prime is 44220123220279. The reversal of 44220123220213 is 31202232102244.

It is a de Polignac number, because none of the positive numbers 2^k-44220123220213 is a prime.

It is a super-2 number, since 2×44220123220213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44220123220313) 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, 79288056 + ... + 79843822.

It is an arithmetic number, because the mean of its divisors is an integer number (2912079820320).

Almost surely, 2^{44220123220213} is an apocalyptic number.

It is an amenable number.

44220123220213 is a deficient number, since it is larger than the sum of its proper divisors (2373153904907).

44220123220213 is a wasteful number, since it uses less digits than its factorization.

44220123220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559896.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 44220123220213 its reverse (31202232102244), we get a palindrome (75422355322457).

The spelling of 44220123220213 in words is "forty-four trillion, two hundred twenty billion, one hundred twenty-three million, two hundred twenty thousand, two hundred thirteen".