4322454421 has 4 divisors (see below), whose sum is σ = 4344396012. Its totient is φ = 4300512832.

The previous prime is 4322454407. The next prime is 4322454439. The reversal of 4322454421 is 1244542234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2411890321 + 1910564100 = 49111^2 + 43710^2 .

It is a cyclic number.

It is not a de Polignac number, because 4322454421 - 2¹³ = 4322446229 is a prime.

It is a super-2 number, since 2×4322454421² = 37367224443244890482, 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 (4322455421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10970500 + ... + 10970893.

It is an arithmetic number, because the mean of its divisors is an integer number (1086099003).

Almost surely, 2^4322454421 is an apocalyptic number.

It is an amenable number.

4322454421 is a deficient number, since it is larger than the sum of its proper divisors (21941591).

4322454421 is a wasteful number, since it uses less digits than its factorization.

4322454421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21941590.

The product of its digits is 30720, while the sum is 31.

The square root of 4322454421 is about 65745.3756624753. The cubic root of 4322454421 is about 1628.9589524689.

Adding to 4322454421 its reverse (1244542234), we get a palindrome (5566996655).

The spelling of 4322454421 in words is "four billion, three hundred twenty-two million, four hundred fifty-four thousand, four hundred twenty-one".