4021223244320 has 48 divisors (see below), whose sum is σ = 9500620828608. Its totient is φ = 1608407873280.

The previous prime is 4021223244307. The next prime is 4021223244329. The reversal of 4021223244320 is 234423221204.

It is not an unprimeable number, because it can be changed into a prime (4021223244329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2585267 + ... + 3837453.

It is an arithmetic number, because the mean of its divisors is an integer number (197929600596).

Almost surely, 2^{4021223244320} is an apocalyptic number.

4021223244320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4021223244320 is an abundant number, since it is smaller than the sum of its proper divisors (5479397584288).

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

4021223244320 is a wasteful number, since it uses less digits than its factorization.

4021223244320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272273 (or 1272265 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 4021223244320 its reverse (234423221204), we get a palindrome (4255646465524).

The spelling of 4021223244320 in words is "four trillion, twenty-one billion, two hundred twenty-three million, two hundred forty-four thousand, three hundred twenty".