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2221246 = 28313381
BaseRepresentation
bin1000011110010010111110
311011211222101
420132102332
51032034441
6115335314
724610636
oct10362276
94154871
102221246
111287945
128b153a
135ca061
1441b6c6
152dd231
hex21e4be

2221246 has 8 divisors (see below), whose sum is σ = 3372264. Its totient is φ = 1097160.

The previous prime is 2221231. The next prime is 2221249. The reversal of 2221246 is 6421222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6525 + ... + 6856.

It is an arithmetic number, because the mean of its divisors is an integer number (421533).

22221246 is an apocalyptic number.

2221246 is a deficient number, since it is larger than the sum of its proper divisors (1151018).

2221246 is a wasteful number, since it uses less digits than its factorization.

2221246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13466.

The product of its digits is 384, while the sum is 19.

The square root of 2221246 is about 1490.3845141439. The cubic root of 2221246 is about 130.4764763362.

Adding to 2221246 its reverse (6421222), we get a palindrome (8642468).

The spelling of 2221246 in words is "two million, two hundred twenty-one thousand, two hundred forty-six".

Divisors: 1 2 83 166 13381 26762 1110623 2221246