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44122331220 = 2235114110211597
BaseRepresentation
bin101001000101111001…
…010101100001010100
311012212221221122211120
4221011321111201110
51210330304044340
632134114403540
73121251425112
oct510571254124
9135787848746
1044122331220
11177919a6550
1286745905b0
134212135cc6
1421c7c86ab2
1512338734d0
hexa45e55854

44122331220 has 192 divisors, whose sum is σ = 138282584832. Its totient is φ = 10418688000.

The previous prime is 44122331207. The next prime is 44122331269. The reversal of 44122331220 is 2213322144.

It is a happy number.

It is a super-2 number, since 2×441223312202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27627462 + ... + 27629058.

It is an arithmetic number, because the mean of its divisors is an integer number (720221796).

Almost surely, 244122331220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44122331220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69141292416).

44122331220 is an abundant number, since it is smaller than the sum of its proper divisors (94160253612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44122331220 is a wasteful number, since it uses less digits than its factorization.

44122331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 44122331220 its reverse (2213322144), we get a palindrome (46335653364).

The spelling of 44122331220 in words is "forty-four billion, one hundred twenty-two million, three hundred thirty-one thousand, two hundred twenty".