220243344 has 40 divisors (see below), whose sum is σ = 587319552. Its totient is φ = 71045760.

The previous prime is 220243339. The next prime is 220243379. The reversal of 220243344 is 443342022.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 72519 + ... + 75494.

Almost surely, 2^220243344 is an apocalyptic number.

220243344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220243344 is an abundant number, since it is smaller than the sum of its proper divisors (367076208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220243344 is a wasteful number, since it uses less digits than its factorization.

220243344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148055 (or 148049 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 220243344 is about 14840.5978316239. The cubic root of 220243344 is about 603.9035707058.

Adding to 220243344 its reverse (443342022), we get a palindrome (663585366).

The spelling of 220243344 in words is "two hundred twenty million, two hundred forty-three thousand, three hundred forty-four".