43146422 has 24 divisors (see below), whose sum is σ = 71733816. Its totient is φ = 19448000.

The previous prime is 43146421. The next prime is 43146427. The reversal of 43146422 is 22464134.

43146422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43146422² = 3723227462804168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43146391 and 43146400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43146421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31022 + ... + 32382.

It is an arithmetic number, because the mean of its divisors is an integer number (2988909).

Almost surely, 2^43146422 is an apocalyptic number.

43146422 is a deficient number, since it is larger than the sum of its proper divisors (28587394).

43146422 is a wasteful number, since it uses less digits than its factorization.

43146422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1505 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 43146422 is about 6568.5936089851. The cubic root of 43146422 is about 350.7370102215.

The spelling of 43146422 in words is "forty-three million, one hundred forty-six thousand, four hundred twenty-two".