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2204431 is a prime number
BaseRepresentation
bin1000011010001100001111
311010222220121
420122030033
51031020211
6115125411
724510625
oct10321417
94128817
102204431
111276249
128a3867
135c24c8
14415515
152d8271
hex21a30f

2204431 has 2 divisors, whose sum is σ = 2204432. Its totient is φ = 2204430.

The previous prime is 2204393. The next prime is 2204443. The reversal of 2204431 is 1344022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2204431 - 213 = 2196239 is a prime.

It is a super-2 number, since 2×22044312 = 9719032067522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2204471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102215 + 1102216.

It is an arithmetic number, because the mean of its divisors is an integer number (1102216).

22204431 is an apocalyptic number.

2204431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204431 is an equidigital number, since it uses as much as digits as its factorization.

2204431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2204431 is about 1484.7326358641. The cubic root of 2204431 is about 130.1464031095.

Adding to 2204431 its reverse (1344022), we get a palindrome (3548453).

The spelling of 2204431 in words is "two million, two hundred four thousand, four hundred thirty-one".