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2204231 = 8326557
BaseRepresentation
bin1000011010001001000111
311010222122012
420122021013
51031013411
6115124435
724510221
oct10321107
94128565
102204231
111276087
128a371b
135c23a3
14415411
152d818b
hex21a247

2204231 has 4 divisors (see below), whose sum is σ = 2230872. Its totient is φ = 2177592.

The previous prime is 2204221. The next prime is 2204243. The reversal of 2204231 is 1324022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2204231 is a prime.

It is a super-2 number, since 2×22042312 = 9717268602722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204221) 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, 13196 + ... + 13361.

It is an arithmetic number, because the mean of its divisors is an integer number (557718).

22204231 is an apocalyptic number.

2204231 is a deficient number, since it is larger than the sum of its proper divisors (26641).

2204231 is an equidigital number, since it uses as much as digits as its factorization.

2204231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26640.

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

The square root of 2204231 is about 1484.6652821427. The cubic root of 2204231 is about 130.1424670874.

Adding to 2204231 its reverse (1324022), we get a palindrome (3528253).

The spelling of 2204231 in words is "two million, two hundred four thousand, two hundred thirty-one".

Divisors: 1 83 26557 2204231