542222512 has 40 divisors (see below), whose sum is σ = 1170393840. Its totient is φ = 241624320.

The previous prime is 542222501. The next prime is 542222521. The reversal of 542222512 is 215222245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38914 + ... + 50977.

It is an arithmetic number, because the mean of its divisors is an integer number (29259846).

Almost surely, 2^542222512 is an apocalyptic number.

542222512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

542222512 is an abundant number, since it is smaller than the sum of its proper divisors (628171328).

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

542222512 is a wasteful number, since it uses less digits than its factorization.

542222512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89941 (or 89935 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 542222512 is about 23285.6718176650. The cubic root of 542222512 is about 815.4409457263.

Adding to 542222512 its reverse (215222245), we get a palindrome (757444757).

The spelling of 542222512 in words is "five hundred forty-two million, two hundred twenty-two thousand, five hundred twelve".