2022420321 has 12 divisors (see below), whose sum is σ = 2936105172. Its totient is φ = 1341434976.

The previous prime is 2022420319. The next prime is 2022420331. The reversal of 2022420321 is 1230242202.

It can be written as a sum of positive squares in 2 ways, for example, as 1518193296 + 504227025 = 38964^2 + 22455^2 .

It is not a de Polignac number, because 2022420321 - 2¹ = 2022420319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022420294 and 2022420303.

It is not an unprimeable number, because it can be changed into a prime (2022420311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568566 + ... + 572111.

It is an arithmetic number, because the mean of its divisors is an integer number (244675431).

Almost surely, 2^2022420321 is an apocalyptic number.

It is an amenable number.

2022420321 is a deficient number, since it is larger than the sum of its proper divisors (913684851).

2022420321 is a wasteful number, since it uses less digits than its factorization.

2022420321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140880 (or 1140877 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2022420321 is about 44971.3277655886. The cubic root of 2022420321 is about 1264.6115386659.

Adding to 2022420321 its reverse (1230242202), we get a palindrome (3252662523).

The spelling of 2022420321 in words is "two billion, twenty-two million, four hundred twenty thousand, three hundred twenty-one".