542143222 has 8 divisors (see below), whose sum is σ = 814777272. Its totient is φ = 270550800.

The previous prime is 542143193. The next prime is 542143241. The reversal of 542143222 is 222341245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259104 + ... + 261187.

It is an arithmetic number, because the mean of its divisors is an integer number (101847159).

Almost surely, 2^542143222 is an apocalyptic number.

542143222 is a deficient number, since it is larger than the sum of its proper divisors (272634050).

542143222 is a wasteful number, since it uses less digits than its factorization.

542143222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520814.

The product of its digits is 3840, while the sum is 25.

The square root of 542143222 is about 23283.9692063016. The cubic root of 542143222 is about 815.4011960768.

Adding to 542143222 its reverse (222341245), we get a palindrome (764484467).

The spelling of 542143222 in words is "five hundred forty-two million, one hundred forty-three thousand, two hundred twenty-two".