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2221011132 = 223477195477
BaseRepresentation
bin1000010001100001…
…1111000010111100
312201210020001111120
42010120133002330
514022034324012
61004215550540
7106016166054
oct20430370274
95653201446
102221011132
11a3a78059a
1251b98b450
132951aa092
14170d8a564
15ceebc58c
hex8461f0bc

2221011132 has 48 divisors (see below), whose sum is σ = 5300951040. Its totient is φ = 723445312.

The previous prime is 2221011101. The next prime is 2221011157. The reversal of 2221011132 is 2311101222.

It is a congruent number.

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, 402778 + ... + 408254.

It is an arithmetic number, because the mean of its divisors is an integer number (110436480).

Almost surely, 22221011132 is an apocalyptic number.

It is an amenable number.

2221011132 is an abundant number, since it is smaller than the sum of its proper divisors (3079939908).

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

2221011132 is a wasteful number, since it uses less digits than its factorization.

2221011132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6250 (or 6248 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2221011132 is about 47127.6047768184. The cubic root of 2221011132 is about 1304.7187744148.

Adding to 2221011132 its reverse (2311101222), we get a palindrome (4532112354).

The spelling of 2221011132 in words is "two billion, two hundred twenty-one million, eleven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 719 1438 2157 2876 4314 5477 8628 10954 16431 21908 32862 33793 65724 67586 101379 135172 202758 257419 405516 514838 772257 1029676 1544514 3089028 3937963 7875926 11813889 15751852 23627778 47255556 185084261 370168522 555252783 740337044 1110505566 2221011132