220422242 has 4 divisors (see below), whose sum is σ = 330633366. Its totient is φ = 110211120.

The previous prime is 220422233. The next prime is 220422253. The reversal of 220422242 is 242224022.

220422242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242224022 = 2 ⋅121112011.

It can be written as a sum of positive squares in only one way, i.e., 209931121 + 10491121 = 14489^2 + 3239^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55105559 + ... + 55105562.

Almost surely, 2^220422242 is an apocalyptic number.

220422242 is a deficient number, since it is larger than the sum of its proper divisors (110211124).

220422242 is a wasteful number, since it uses less digits than its factorization.

220422242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110211123.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 220422242 is about 14846.6239259975. The cubic root of 220422242 is about 604.0670382296.

Adding to 220422242 its reverse (242224022), we get a palindrome (462646264).

The spelling of 220422242 in words is "two hundred twenty million, four hundred twenty-two thousand, two hundred forty-two".