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4444221044 = 221111055261
BaseRepresentation
bin1000010001110010…
…10110111001110100
3102110201120211011102
410020321112321310
533100210033134
62012555025232
7215063153444
oct41071267164
912421524142
104444221044
11198071305a
12a4043b218
1355a976bc3
1430234a124
151b027137e
hex108e56e74

4444221044 has 6 divisors (see below), whose sum is σ = 7777386834. Its totient is φ = 2222110520.

The previous prime is 4444220999. The next prime is 4444221113. The reversal of 4444221044 is 4401224444.

It can be written as a sum of positive squares in only one way, i.e., 2677027600 + 1767193444 = 51740^2 + 42038^2 .

It is a super-3 number, since 3×44442210443 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 4444220998 and 4444221016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555527627 + ... + 555527634.

It is an arithmetic number, because the mean of its divisors is an integer number (1296231139).

Almost surely, 24444221044 is an apocalyptic number.

It is an amenable number.

4444221044 is a deficient number, since it is larger than the sum of its proper divisors (3333165790).

4444221044 is a wasteful number, since it uses less digits than its factorization.

4444221044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111055265 (or 1111055263 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

The square root of 4444221044 is about 66664.9911422780. The cubic root of 4444221044 is about 1644.1138347817.

Adding to 4444221044 its reverse (4401224444), we get a palindrome (8845445488).

The spelling of 4444221044 in words is "four billion, four hundred forty-four million, two hundred twenty-one thousand, forty-four".

Divisors: 1 2 4 1111055261 2222110522 4444221044