43422427 has 2 divisors, whose sum is σ = 43422428. Its totient is φ = 43422426.

The previous prime is 43422383. The next prime is 43422451. The reversal of 43422427 is 72422434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43422427 - 2¹¹ = 43420379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43422395 and 43422404.

It is not a weakly prime, because it can be changed into another prime (43422527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21711213 + 21711214.

It is an arithmetic number, because the mean of its divisors is an integer number (21711214).

Almost surely, 2^43422427 is an apocalyptic number.

43422427 is a deficient number, since it is larger than the sum of its proper divisors (1).

43422427 is an equidigital number, since it uses as much as digits as its factorization.

43422427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 28.

The square root of 43422427 is about 6589.5695610563. The cubic root of 43422427 is about 351.4833021549.

The spelling of 43422427 in words is "forty-three million, four hundred twenty-two thousand, four hundred twenty-seven".