43021214 has 4 divisors (see below), whose sum is σ = 64531824. Its totient is φ = 21510606.

The previous prime is 43021193. The next prime is 43021219. The reversal of 43021214 is 41212034.

43021214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41212034 = 2 ⋅20606017.

It is a junction number, because it is equal to n+sod(n) for n = 43021192 and 43021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43021219) 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 as a sum of consecutive naturals, namely, 10755302 + ... + 10755305.

It is an arithmetic number, because the mean of its divisors is an integer number (16132956).

Almost surely, 2^43021214 is an apocalyptic number.

43021214 is a deficient number, since it is larger than the sum of its proper divisors (21510610).

43021214 is a wasteful number, since it uses less digits than its factorization.

43021214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21510609.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 43021214 is about 6559.0558771823. The cubic root of 43021214 is about 350.3974098121.

Adding to 43021214 its reverse (41212034), we get a palindrome (84233248).

The spelling of 43021214 in words is "forty-three million, twenty-one thousand, two hundred fourteen".