43402229 has 16 divisors (see below), whose sum is σ = 48263040. Its totient is φ = 38781120.

The previous prime is 43402217. The next prime is 43402237. The reversal of 43402229 is 92220434.

It is a cyclic number.

It is not a de Polignac number, because 43402229 - 2¹² = 43398133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43402198 and 43402207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43402259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54059 + ... + 54855.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^43402229 is an apocalyptic number.

It is an amenable number.

43402229 is a deficient number, since it is larger than the sum of its proper divisors (4860811).

43402229 is a wasteful number, since it uses less digits than its factorization.

43402229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 43402229 is about 6588.0368092475. The cubic root of 43402229 is about 351.4287960601.

The spelling of 43402229 in words is "forty-three million, four hundred two thousand, two hundred twenty-nine".