1220043224 has 16 divisors (see below), whose sum is σ = 2366463600. Its totient is φ = 588986272.

The previous prime is 1220043173. The next prime is 1220043247. The reversal of 1220043224 is 4223400221.

It is a junction number, because it is equal to n+sod(n) for n = 1220043196 and 1220043205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2629172 + ... + 2629635.

It is an arithmetic number, because the mean of its divisors is an integer number (147903975).

Almost surely, 2^1220043224 is an apocalyptic number.

It is an amenable number.

1220043224 is a deficient number, since it is larger than the sum of its proper divisors (1146420376).

1220043224 is a wasteful number, since it uses less digits than its factorization.

1220043224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258842 (or 5258838 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1220043224 is about 34929.1171374256. The cubic root of 1220043224 is about 1068.5423491608.

Adding to 1220043224 its reverse (4223400221), we get a palindrome (5443443445).

The spelling of 1220043224 in words is "one billion, two hundred twenty million, forty-three thousand, two hundred twenty-four".