542332224 has 84 divisors (see below), whose sum is σ = 1776581664. Its totient is φ = 154950912.

The previous prime is 542332223. The next prime is 542332247. The reversal of 542332224 is 422233245.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542332223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63222 + ... + 71285.

Almost surely, 2^542332224 is an apocalyptic number.

It is an amenable number.

542332224 is an abundant number, since it is smaller than the sum of its proper divisors (1234249440).

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

542332224 is a wasteful number, since it uses less digits than its factorization.

542332224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134532 (or 134519 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 542332224 is about 23288.0274819487. The cubic root of 542332224 is about 815.4959401378.

Adding to 542332224 its reverse (422233245), we get a palindrome (964565469).

The spelling of 542332224 in words is "five hundred forty-two million, three hundred thirty-two thousand, two hundred twenty-four".