542221134 has 32 divisors (see below), whose sum is σ = 1334699520. Its totient is φ = 143003232.

The previous prime is 542221133. The next prime is 542221139. The reversal of 542221134 is 431122245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542221133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495994 + ... + 497085.

It is an arithmetic number, because the mean of its divisors is an integer number (41709360).

Almost surely, 2^542221134 is an apocalyptic number.

542221134 is an abundant number, since it is smaller than the sum of its proper divisors (792478386).

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

542221134 is a wasteful number, since it uses less digits than its factorization.

542221134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993104.

The product of its digits is 1920, while the sum is 24.

The square root of 542221134 is about 23285.6422286352. The cubic root of 542221134 is about 815.4402549407.

Adding to 542221134 its reverse (431122245), we get a palindrome (973343379).

It can be divided in two parts, 5422211 and 34, that added together give a palindrome (5422245).

The spelling of 542221134 in words is "five hundred forty-two million, two hundred twenty-one thousand, one hundred thirty-four".