4023021224 has 8 divisors (see below), whose sum is σ = 7543164810. Its totient is φ = 2011510608.

The previous prime is 4023021217. The next prime is 4023021227. The reversal of 4023021224 is 4221203204.

It can be written as a sum of positive squares in only one way, i.e., 2901976900 + 1121044324 = 53870^2 + 33482^2 .

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 = 4023021196 and 4023021205.

It is not an unprimeable number, because it can be changed into a prime (4023021227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251438819 + ... + 251438834.

Almost surely, 2^4023021224 is an apocalyptic number.

It is an amenable number.

4023021224 is a deficient number, since it is larger than the sum of its proper divisors (3520143586).

4023021224 is a wasteful number, since it uses less digits than its factorization.

4023021224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502877659 (or 502877655 counting only the distinct ones).

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

The square root of 4023021224 is about 63427.2908455028. The cubic root of 4023021224 is about 1590.4405545816.

Adding to 4023021224 its reverse (4221203204), we get a palindrome (8244224428).

The spelling of 4023021224 in words is "four billion, twenty-three million, twenty-one thousand, two hundred twenty-four".