542222000 has 120 divisors (see below), whose sum is σ = 1385572032. Its totient is φ = 205200000.

The previous prime is 542221957. The next prime is 542222011. The reversal of 542222000 is 222245.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 542222000.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 721625 + ... + 722375.

Almost surely, 2^542222000 is an apocalyptic number.

542222000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692786016).

542222000 is an abundant number, since it is smaller than the sum of its proper divisors (843350032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542222000 is a wasteful number, since it uses less digits than its factorization.

542222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 542222000 is about 23285.6608237774. The cubic root of 542222000 is about 815.4406890630.

Adding to 542222000 its reverse (222245), we get a palindrome (542444245).

The spelling of 542222000 in words is "five hundred forty-two million, two hundred twenty-two thousand".