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10542229 is a prime number
BaseRepresentation
bin101000001101…
…110010010101
3201211121012221
4220031302111
510144322404
61013542341
7155415235
oct50156225
921747187
1010542229
115a50595
1236449b1
132251609
141585cc5
15dd3954
hexa0dc95

10542229 has 2 divisors, whose sum is σ = 10542230. Its totient is φ = 10542228.

The previous prime is 10542223. The next prime is 10542253. The reversal of 10542229 is 92224501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10093329 + 448900 = 3177^2 + 670^2 .

It is an emirp because it is prime and its reverse (92224501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10542229 - 215 = 10509461 is a prime.

It is a super-2 number, since 2×105422292 = 222277184576882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10542223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5271114 + 5271115.

It is an arithmetic number, because the mean of its divisors is an integer number (5271115).

Almost surely, 210542229 is an apocalyptic number.

It is an amenable number.

10542229 is a deficient number, since it is larger than the sum of its proper divisors (1).

10542229 is an equidigital number, since it uses as much as digits as its factorization.

10542229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 10542229 is about 3246.8798869068. The cubic root of 10542229 is about 219.2691241872.

The spelling of 10542229 in words is "ten million, five hundred forty-two thousand, two hundred twenty-nine".