542229 has 8 divisors (see below), whose sum is σ = 735072. Its totient is φ = 355440.
The previous prime is 542219. The next prime is 542237. The reversal of 542229 is 922245.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 542229 - 25 = 542197 is a prime.
It is a Curzon number.
542229 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 542199 and 542208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299 + ... + 1664.
It is an arithmetic number, because the mean of its divisors is an integer number (91884).
2542229 is an apocalyptic number.
It is an amenable number.
542229 is a deficient number, since it is larger than the sum of its proper divisors (192843).
542229 is a wasteful number, since it uses less digits than its factorization.
542229 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3027.
The product of its digits is 1440, while the sum is 24.
The square root of 542229 is about 736.3620033652. The cubic root of 542229 is about 81.5444198118.
The spelling of 542229 in words is "five hundred forty-two thousand, two hundred twenty-nine".
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