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2422121444 = 2217192381509
BaseRepresentation
bin1001000001011110…
…1010001111100100
320020210122111222122
42100113222033210
514430030341234
61040202245112
7114010456361
oct22027521744
96223574878
102422121444
111033251766
125771b6798
132c7a62872
1418d97b468
15e299592e
hex905ea3e4

2422121444 has 48 divisors (see below), whose sum is σ = 4929724800. Its totient is φ = 1032869376.

The previous prime is 2422121437. The next prime is 2422121509. The reversal of 2422121444 is 4441212242.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11039 + ... + 70470.

It is an arithmetic number, because the mean of its divisors is an integer number (102702600).

Almost surely, 22422121444 is an apocalyptic number.

It is an amenable number.

2422121444 is an abundant number, since it is smaller than the sum of its proper divisors (2507603356).

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

2422121444 is a wasteful number, since it uses less digits than its factorization.

2422121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81572 (or 81570 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 2422121444 is about 49215.0530224239. The cubic root of 2422121444 is about 1342.9668879741.

Adding to 2422121444 its reverse (4441212242), we get a palindrome (6863333686).

The spelling of 2422121444 in words is "two billion, four hundred twenty-two million, one hundred twenty-one thousand, four hundred forty-four".

Divisors: 1 2 4 17 19 23 34 38 46 68 76 92 323 391 437 646 782 874 1292 1564 1748 7429 14858 29716 81509 163018 326036 1385653 1548671 1874707 2771306 3097342 3749414 5542612 6194684 7498828 26327407 31870019 35619433 52654814 63740038 71238866 105309628 127480076 142477732 605530361 1211060722 2422121444