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1057223 is a prime number
BaseRepresentation
bin100000010000111000111
31222201020102
410002013013
5232312343
634354315
711662166
oct4020707
91881212
101057223
11662342
1242b99b
132b029b
141d73dd
1515d3b8
hex1021c7

1057223 has 2 divisors, whose sum is σ = 1057224. Its totient is φ = 1057222.

The previous prime is 1057219. The next prime is 1057237. The reversal of 1057223 is 3227501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1057223 - 22 = 1057219 is a prime.

It is a super-2 number, since 2×10572232 = 2235440943458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057195 and 1057204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1027223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528611 + 528612.

It is an arithmetic number, because the mean of its divisors is an integer number (528612).

21057223 is an apocalyptic number.

1057223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057223 is an equidigital number, since it uses as much as digits as its factorization.

1057223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1057223 is about 1028.2134992306. The cubic root of 1057223 is about 101.8721645992.

The spelling of 1057223 in words is "one million, fifty-seven thousand, two hundred twenty-three".