43225279 has 2 divisors, whose sum is σ = 43225280. Its totient is φ = 43225278.

The previous prime is 43225267. The next prime is 43225309. The reversal of 43225279 is 97252234.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43225279 - 2⁷ = 43225151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43225219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21612639 + 21612640.

It is an arithmetic number, because the mean of its divisors is an integer number (21612640).

Almost surely, 2^43225279 is an apocalyptic number.

43225279 is a deficient number, since it is larger than the sum of its proper divisors (1).

43225279 is an equidigital number, since it uses as much as digits as its factorization.

43225279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 43225279 is about 6574.5934475068. The cubic root of 43225279 is about 350.9505562072.

The spelling of 43225279 in words is "forty-three million, two hundred twenty-five thousand, two hundred seventy-nine".