542221235 has 8 divisors (see below), whose sum is σ = 650844720. Its totient is φ = 433657504.

The previous prime is 542221231. The next prime is 542221237. The reversal of 542221235 is 532122245.

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

It is a cyclic number.

It is not a de Polignac number, because 542221235 - 2² = 542221231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542221231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8324 + ... + 33966.

It is an arithmetic number, because the mean of its divisors is an integer number (81355590).

Almost surely, 2^542221235 is an apocalyptic number.

542221235 is a deficient number, since it is larger than the sum of its proper divisors (108623485).

542221235 is a wasteful number, since it uses less digits than its factorization.

542221235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29877.

The product of its digits is 4800, while the sum is 26.

The square root of 542221235 is about 23285.6443973535. The cubic root of 542221235 is about 815.4403055716.

The spelling of 542221235 in words is "five hundred forty-two million, two hundred twenty-one thousand, two hundred thirty-five".