220323442 has 4 divisors (see below), whose sum is σ = 330485166. Its totient is φ = 110161720.

The previous prime is 220323413. The next prime is 220323461. The reversal of 220323442 is 244323022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 213189201 + 7134241 = 14601^2 + 2671^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55080859 + ... + 55080862.

Almost surely, 2^220323442 is an apocalyptic number.

220323442 is a deficient number, since it is larger than the sum of its proper divisors (110161724).

220323442 is a wasteful number, since it uses less digits than its factorization.

220323442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110161723.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 220323442 is about 14843.2961972737. The cubic root of 220323442 is about 603.9767709588.

Adding to 220323442 its reverse (244323022), we get a palindrome (464646464).

The spelling of 220323442 in words is "two hundred twenty million, three hundred twenty-three thousand, four hundred forty-two".