4223302421 has 16 divisors (see below), whose sum is σ = 4589706240. Its totient is φ = 3862994880.

The previous prime is 4223302381. The next prime is 4223302429. The reversal of 4223302421 is 1242033224.

It is a cyclic number.

It is not a de Polignac number, because 4223302421 - 2⁶ = 4223302357 is a prime.

It is a super-2 number, since 2×4223302421² = 35672566678448922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223302429) 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, 664766 + ... + 671088.

It is an arithmetic number, because the mean of its divisors is an integer number (286856640).

Almost surely, 2^4223302421 is an apocalyptic number.

It is an amenable number.

4223302421 is a deficient number, since it is larger than the sum of its proper divisors (366403819).

4223302421 is a wasteful number, since it uses less digits than its factorization.

4223302421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6796.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4223302421 is about 64986.9403880503. The cubic root of 4223302421 is about 1616.4070171070.

Adding to 4223302421 its reverse (1242033224), we get a palindrome (5465335645).

The spelling of 4223302421 in words is "four billion, two hundred twenty-three million, three hundred two thousand, four hundred twenty-one".