220698344 has 8 divisors (see below), whose sum is σ = 413809410. Its totient is φ = 110349168.

The previous prime is 220698343. The next prime is 220698389. The reversal of 220698344 is 443896022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 200788900 + 19909444 = 14170^2 + 4462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 220698298 and 220698307.

It is not an unprimeable number, because it can be changed into a prime (220698341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13793639 + ... + 13793654.

Almost surely, 2^220698344 is an apocalyptic number.

It is an amenable number.

220698344 is a deficient number, since it is larger than the sum of its proper divisors (193111066).

220698344 is a wasteful number, since it uses less digits than its factorization.

220698344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27587299 (or 27587295 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 220698344 is about 14855.9194935891. The cubic root of 220698344 is about 604.3191521211.

The spelling of 220698344 in words is "two hundred twenty million, six hundred ninety-eight thousand, three hundred forty-four".