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2293231 is a prime number
BaseRepresentation
bin1000101111110111101111
311022111201111
420233313233
51041340411
6121052451
725330543
oct10576757
94274644
102293231
111326a36
12927127
13623a55
14439a23
15304721
hex22fdef

2293231 has 2 divisors, whose sum is σ = 2293232. Its totient is φ = 2293230.

The previous prime is 2293219. The next prime is 2293267. The reversal of 2293231 is 1323922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2293231 - 25 = 2293199 is a prime.

It is a super-2 number, since 2×22932312 = 10517816838722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2293531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1146615 + 1146616.

It is an arithmetic number, because the mean of its divisors is an integer number (1146616).

22293231 is an apocalyptic number.

2293231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2293231 is an equidigital number, since it uses as much as digits as its factorization.

2293231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

The square root of 2293231 is about 1514.3417711996. The cubic root of 2293231 is about 131.8709904219.

The spelling of 2293231 in words is "two million, two hundred ninety-three thousand, two hundred thirty-one".