542420422 has 8 divisors (see below), whose sum is σ = 813848616. Its totient is φ = 271137552.

The previous prime is 542420413. The next prime is 542420449. The reversal of 542420422 is 224024245.

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, 26463 + ... + 42250.

It is an arithmetic number, because the mean of its divisors is an integer number (101731077).

Almost surely, 2^542420422 is an apocalyptic number.

542420422 is a deficient number, since it is larger than the sum of its proper divisors (271428194).

542420422 is a wasteful number, since it uses less digits than its factorization.

542420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72662.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 542420422 is about 23289.9210389387. The cubic root of 542420422 is about 815.5401450299.

Adding to 542420422 its reverse (224024245), we get a palindrome (766444667).

The spelling of 542420422 in words is "five hundred forty-two million, four hundred twenty thousand, four hundred twenty-two".