43422919 has 8 divisors (see below), whose sum is σ = 45614592. Its totient is φ = 41256600.

The previous prime is 43422917. The next prime is 43422943. The reversal of 43422919 is 91922434.

43422919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43422919 - 2¹ = 43422917 is a prime.

It is a super-2 number, since 2×43422919² = 3771099788961122, 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 (43422917) 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 7 ways as a sum of consecutive naturals, for example, 2779 + ... + 9724.

It is an arithmetic number, because the mean of its divisors is an integer number (5701824).

Almost surely, 2^43422919 is an apocalyptic number.

43422919 is a deficient number, since it is larger than the sum of its proper divisors (2191673).

43422919 is a wasteful number, since it uses less digits than its factorization.

43422919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12677.

The product of its digits is 15552, while the sum is 34.

The square root of 43422919 is about 6589.6068926758. The cubic root of 43422919 is about 351.4846296496.

The spelling of 43422919 in words is "forty-three million, four hundred twenty-two thousand, nine hundred nineteen".