4393406322 has 54 divisors (see below), whose sum is σ = 10122944013. Its totient is φ = 1376823744.

The previous prime is 4393406317. The next prime is 4393406323. The reversal of 4393406322 is 2236043934.

It can be written as a sum of positive squares in 2 ways, for example, as 4020954921 + 372451401 = 63411^2 + 19299^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=46869.

It is a super-2 number, since 2×4393406322² = 38604038220379135368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4393406323) 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 26 ways as a sum of consecutive naturals, for example, 4780179 + ... + 4781097.

Almost surely, 2^4393406322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4393406322

4393406322 is an abundant number, since it is smaller than the sum of its proper divisors (5729537691).

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

4393406322 is an equidigital number, since it uses as much as digits as its factorization.

4393406322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The square root of 4393406322 is about 66282.7754548646. The cubic root of 4393406322 is about 1637.8235955242.

Multiplying 4393406322 by its product of nonzero digits (93312), we get a square (409957530718464 = 20247408²).

The spelling of 4393406322 in words is "four billion, three hundred ninety-three million, four hundred six thousand, three hundred twenty-two".