220223344 has 40 divisors (see below), whose sum is σ = 485718912. Its totient is φ = 95747520.

The previous prime is 220223309. The next prime is 220223447. The reversal of 220223344 is 443322022.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 23154 + ... + 31249.

Almost surely, 2^220223344 is an apocalyptic number.

It is an amenable number.

220223344 is an abundant number, since it is smaller than the sum of its proper divisors (265495568).

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

220223344 is a wasteful number, since it uses less digits than its factorization.

220223344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54445 (or 54439 counting only the distinct ones).

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

The square root of 220223344 is about 14839.9239890237. The cubic root of 220223344 is about 603.8852902638.

Adding to 220223344 its reverse (443322022), we get a palindrome (663545366).

The spelling of 220223344 in words is "two hundred twenty million, two hundred twenty-three thousand, three hundred forty-four".