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2213332 = 2211217269
BaseRepresentation
bin1000011100010111010100
311011110010021
420130113110
51031311312
6115234524
724545602
oct10342724
94143107
102213332
111281a00
128a8a44
135c6584
14418872
152dac07
hex21c5d4

2213332 has 36 divisors (see below), whose sum is σ = 4524660. Its totient is φ = 943360.

The previous prime is 2213327. The next prime is 2213347. The reversal of 2213332 is 2333122.

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 1359556 = 924^2 + 1166^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8094 + ... + 8362.

It is an arithmetic number, because the mean of its divisors is an integer number (125685).

22213332 is an apocalyptic number.

2213332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2213332 is an abundant number, since it is smaller than the sum of its proper divisors (2311328).

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

2213332 is a wasteful number, since it uses less digits than its factorization.

2213332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 299 counting only the distinct ones).

The product of its digits is 216, while the sum is 16.

The square root of 2213332 is about 1487.7271255173. The cubic root of 2213332 is about 130.3213352436.

Adding to 2213332 its reverse (2333122), we get a palindrome (4546454).

It can be divided in two parts, 221 and 3332, that added together give a palindrome (3553).

The spelling of 2213332 in words is "two million, two hundred thirteen thousand, three hundred thirty-two".

Divisors: 1 2 4 11 17 22 34 44 68 121 187 242 269 374 484 538 748 1076 2057 2959 4114 4573 5918 8228 9146 11836 18292 32549 50303 65098 100606 130196 201212 553333 1106666 2213332