220022542 has 16 divisors (see below), whose sum is σ = 334615680. Its totient is φ = 108488952.

The previous prime is 220022521. The next prime is 220022549. The reversal of 220022542 is 245220022.

220022542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141823 + ... + 143365.

It is an arithmetic number, because the mean of its divisors is an integer number (20913480).

Almost surely, 2^220022542 is an apocalyptic number.

220022542 is a deficient number, since it is larger than the sum of its proper divisors (114593138).

220022542 is a wasteful number, since it uses less digits than its factorization.

220022542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 220022542 is about 14833.1568453920. The cubic root of 220022542 is about 603.7016914283.

Adding to 220022542 its reverse (245220022), we get a palindrome (465242564).

It can be divided in two parts, 2200 and 22542, that added together give a palindrome (24742).

The spelling of 220022542 in words is "two hundred twenty million, twenty-two thousand, five hundred forty-two".