220404244 has 24 divisors (see below), whose sum is σ = 395071488. Its totient is φ = 107540640.

The previous prime is 220404221. The next prime is 220404251. The reversal of 220404244 is 442404022.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 70474 + ... + 73534.

It is an arithmetic number, because the mean of its divisors is an integer number (16461312).

Almost surely, 2^220404244 is an apocalyptic number.

It is an amenable number.

220404244 is a deficient number, since it is larger than the sum of its proper divisors (174667244).

220404244 is a wasteful number, since it uses less digits than its factorization.

220404244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495 (or 3493 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 220404244 is about 14846.0177825570. The cubic root of 220404244 is about 604.0505966123.

Adding to 220404244 its reverse (442404022), we get a palindrome (662808266).

The spelling of 220404244 in words is "two hundred twenty million, four hundred four thousand, two hundred forty-four".