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7042229 is a prime number
BaseRepresentation
bin11010110111010010110101
3111020210010022
4122313102311
53300322404
6410534525
7113600165
oct32672265
914223108
107042229
113a7aa27
122437445
1315c74cc
14d145a5
159418be
hex6b74b5

7042229 has 2 divisors, whose sum is σ = 7042230. Its totient is φ = 7042228.

The previous prime is 7042219. The next prime is 7042253. The reversal of 7042229 is 9222407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4401604 + 2640625 = 2098^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 7042229 - 212 = 7038133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7042198 and 7042207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7042219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3521114 + 3521115.

It is an arithmetic number, because the mean of its divisors is an integer number (3521115).

Almost surely, 27042229 is an apocalyptic number.

It is an amenable number.

7042229 is a deficient number, since it is larger than the sum of its proper divisors (1).

7042229 is an equidigital number, since it uses as much as digits as its factorization.

7042229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 7042229 is about 2653.7198420331. The cubic root of 7042229 is about 191.6770195626.

The spelling of 7042229 in words is "seven million, forty-two thousand, two hundred twenty-nine".