4355223421 has 8 divisors (see below), whose sum is σ = 4612491000. Its totient is φ = 4098075648.

The previous prime is 4355223413. The next prime is 4355223479. The reversal of 4355223421 is 1243225534.

It can be written as a sum of positive squares in 4 ways, for example, as 1036196100 + 3319027321 = 32190^2 + 57611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4355223421 - 2³ = 4355223413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4355203421) 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, 51205 + ... + 106453.

It is an arithmetic number, because the mean of its divisors is an integer number (576561375).

Almost surely, 2^4355223421 is an apocalyptic number.

It is an amenable number.

4355223421 is a deficient number, since it is larger than the sum of its proper divisors (257267579).

4355223421 is a wasteful number, since it uses less digits than its factorization.

4355223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59903.

The product of its digits is 28800, while the sum is 31.

The square root of 4355223421 is about 65994.1165635241. The cubic root of 4355223421 is about 1633.0650323655.

Adding to 4355223421 its reverse (1243225534), we get a palindrome (5598448955).

The spelling of 4355223421 in words is "four billion, three hundred fifty-five million, two hundred twenty-three thousand, four hundred twenty-one".