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2222838 = 232123491
BaseRepresentation
bin1000011110101011110110
311011221011100
420132223312
51032112323
6115350530
724615402
oct10365366
94157140
102222838
111289062
128b2446
135ca9b7
1441c102
152dd943
hex21eaf6

2222838 has 12 divisors (see below), whose sum is σ = 4816188. Its totient is φ = 740940.

The previous prime is 2222819. The next prime is 2222839. The reversal of 2222838 is 8382222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61728 + ... + 61763.

It is an arithmetic number, because the mean of its divisors is an integer number (401349).

22222838 is an apocalyptic number.

2222838 is an abundant number, since it is smaller than the sum of its proper divisors (2593350).

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

2222838 is a wasteful number, since it uses less digits than its factorization.

2222838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123499 (or 123496 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 2222838 is about 1490.9185088394. The cubic root of 2222838 is about 130.5076403683.

It can be divided in two parts, 222 and 2838, that multiplied together give a palindrome (630036).

The spelling of 2222838 in words is "two million, two hundred twenty-two thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 9 18 123491 246982 370473 740946 1111419 2222838