544022220445 has 64 divisors (see below), whose sum is σ = 783342669312. Its totient is φ = 358177792000.

The previous prime is 544022220431. The next prime is 544022220449.

It is a happy number.

544022220445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544022220445 - 2²⁷ = 543888002717 is a prime.

It is a super-4 number, since 4×544022220445⁴ (a number of 48 digits) contains 4444 as substring.

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 544022220445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544022220449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2621847 + ... + 2821723.

It is an arithmetic number, because the mean of its divisors is an integer number (12239729208).

Almost surely, 2^544022220445 is an apocalyptic number.

544022220445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

544022220445 is a deficient number, since it is larger than the sum of its proper divisors (239320448867).

544022220445 is a wasteful number, since it uses less digits than its factorization.

544022220445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200022.

The product of its (nonzero) digits is 102400, while the sum is 34.

It can be divided in two parts, 544022 and 220445, that added together give a palindrome (764467).

The spelling of 544022220445 in words is "five hundred forty-four billion, twenty-two million, two hundred twenty thousand, four hundred forty-five".