220244824 has 8 divisors (see below), whose sum is σ = 412959060. Its totient is φ = 110122408.

The previous prime is 220244813. The next prime is 220244833. The reversal of 220244824 is 428442022.

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

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 220244792 and 220244801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13765294 + ... + 13765309.

Almost surely, 2^220244824 is an apocalyptic number.

It is an amenable number.

220244824 is a deficient number, since it is larger than the sum of its proper divisors (192714236).

220244824 is a wasteful number, since it uses less digits than its factorization.

220244824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27530609 (or 27530605 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 220244824 is about 14840.6476947605. The cubic root of 220244824 is about 603.9049234145.

Adding to 220244824 its reverse (428442022), we get a palindrome (648686846).

The spelling of 220244824 in words is "two hundred twenty million, two hundred forty-four thousand, eight hundred twenty-four".