220244404 has 24 divisors (see below), whose sum is σ = 398412000. Its totient is φ = 106474080.

The previous prime is 220244393. The next prime is 220244441. The reversal of 220244404 is 404442022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6747 + ... + 22045.

It is an arithmetic number, because the mean of its divisors is an integer number (16600500).

Almost surely, 2^220244404 is an apocalyptic number.

It is an amenable number.

220244404 is a deficient number, since it is larger than the sum of its proper divisors (178167596).

220244404 is a wasteful number, since it uses less digits than its factorization.

220244404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15423 (or 15421 counting only the distinct ones).

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

The square root of 220244404 is about 14840.6335444279. The cubic root of 220244404 is about 603.9045395383.

Adding to 220244404 its reverse (404442022), we get a palindrome (624686426).

The spelling of 220244404 in words is "two hundred twenty million, two hundred forty-four thousand, four hundred four".