220012442 has 8 divisors (see below), whose sum is σ = 355404756. Its totient is φ = 101544192.

The previous prime is 220012433. The next prime is 220012447. The reversal of 220012442 is 244210022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 219069601 + 942841 = 14801^2 + 971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220012442.

It is not an unprimeable number, because it can be changed into a prime (220012447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4230983 + ... + 4231034.

Almost surely, 2^220012442 is an apocalyptic number.

220012442 is a deficient number, since it is larger than the sum of its proper divisors (135392314).

220012442 is a wasteful number, since it uses less digits than its factorization.

220012442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8462032.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 220012442 is about 14832.8163879959. The cubic root of 220012442 is about 603.6924537681.

Adding to 220012442 its reverse (244210022), we get a palindrome (464222464).

The spelling of 220012442 in words is "two hundred twenty million, twelve thousand, four hundred forty-two".