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2213222 = 211293469
BaseRepresentation
bin1000011100010101100110
311011102222012
420130111212
51031310342
6115234222
724545354
oct10342546
94142865
102213222
111281910
128a8972
135c64cb
144187d4
152dab82
hex21c566

2213222 has 16 divisors (see below), whose sum is σ = 3747600. Its totient is φ = 971040.

The previous prime is 2213209. The next prime is 2213243. The reversal of 2213222 is 2223122.

It is a junction number, because it is equal to n+sod(n) for n = 2213197 and 2213206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (234225).

22213222 is an apocalyptic number.

2213222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2213222 is a deficient number, since it is larger than the sum of its proper divisors (1534378).

2213222 is a wasteful number, since it uses less digits than its factorization.

2213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511.

The product of its digits is 96, while the sum is 14.

The square root of 2213222 is about 1487.6901559129. The cubic root of 2213222 is about 130.3191762687.

Adding to 2213222 its reverse (2223122), we get a palindrome (4436344).

It can be divided in two parts, 221 and 3222, that added together give a palindrome (3443).

The spelling of 2213222 in words is "two million, two hundred thirteen thousand, two hundred twenty-two".

Divisors: 1 2 11 22 29 58 319 638 3469 6938 38159 76318 100601 201202 1106611 2213222