4223104521 has 16 divisors (see below), whose sum is σ = 6275822400. Its totient is φ = 2510327808.

The previous prime is 4223104513. The next prime is 4223104579. The reversal of 4223104521 is 1254013224.

It is not a de Polignac number, because 4223104521 - 2³ = 4223104513 is a prime.

It is a super-2 number, since 2×4223104521² = 35669223590581278882, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4223104491 and 4223104500.

It is not an unprimeable number, because it can be changed into a prime (4223104511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2178136 + ... + 2180073.

It is an arithmetic number, because the mean of its divisors is an integer number (392238900).

Almost surely, 2^4223104521 is an apocalyptic number.

It is an amenable number.

4223104521 is a deficient number, since it is larger than the sum of its proper divisors (2052717879).

4223104521 is a wasteful number, since it uses less digits than its factorization.

4223104521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358248.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4223104521 is about 64985.4177566014. The cubic root of 4223104521 is about 1616.3817689392.

Adding to 4223104521 its reverse (1254013224), we get a palindrome (5477117745).

The spelling of 4223104521 in words is "four billion, two hundred twenty-three million, one hundred four thousand, five hundred twenty-one".