4223321920 has 28 divisors (see below), whose sum is σ = 10056786084. Its totient is φ = 1689328640.

The previous prime is 4223321873. The next prime is 4223322017. The reversal of 4223321920 is 291233224.

It can be written as a sum of positive squares in 2 ways, for example, as 821166336 + 3402155584 = 28656^2 + 58328^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6598621 + ... + 6599260.

Almost surely, 2^4223321920 is an apocalyptic number.

4223321920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4223321920 is an abundant number, since it is smaller than the sum of its proper divisors (5833464164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4223321920 is a wasteful number, since it uses less digits than its factorization.

4223321920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13197898 (or 13197888 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 4223321920 is about 64987.0904103269. The cubic root of 4223321920 is about 1616.4095047552.

The spelling of 4223321920 in words is "four billion, two hundred twenty-three million, three hundred twenty-one thousand, nine hundred twenty".