542387228 has 6 divisors (see below), whose sum is σ = 949177656. Its totient is φ = 271193612.

The previous prime is 542387201. The next prime is 542387239. The reversal of 542387228 is 822783245.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67798400 + ... + 67798407.

It is an arithmetic number, because the mean of its divisors is an integer number (158196276).

Almost surely, 2^542387228 is an apocalyptic number.

It is an amenable number.

542387228 is a deficient number, since it is larger than the sum of its proper divisors (406790428).

542387228 is a wasteful number, since it uses less digits than its factorization.

542387228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135596811 (or 135596809 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 542387228 is about 23289.2084021763. The cubic root of 542387228 is about 815.5235087390.

The spelling of 542387228 in words is "five hundred forty-two million, three hundred eighty-seven thousand, two hundred twenty-eight".