542542422 has 32 divisors (see below), whose sum is σ = 1113051744. Its totient is φ = 176198400.

The previous prime is 542542409. The next prime is 542542459. The reversal of 542542422 is 224245245.

It is a self number, because there is not a number n which added to its sum of digits gives 542542422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338928 + ... + 340524.

It is an arithmetic number, because the mean of its divisors is an integer number (34782867).

Almost surely, 2^542542422 is an apocalyptic number.

542542422 is an abundant number, since it is smaller than the sum of its proper divisors (570509322).

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

542542422 is a wasteful number, since it uses less digits than its factorization.

542542422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024.

The product of its digits is 25600, while the sum is 30.

The square root of 542542422 is about 23292.5400504110. The cubic root of 542542422 is about 815.6012836075.

Adding to 542542422 its reverse (224245245), we get a palindrome (766787667).

The spelling of 542542422 in words is "five hundred forty-two million, five hundred forty-two thousand, four hundred twenty-two".