43402230 has 96 divisors (see below), whose sum is σ = 119587104. Its totient is φ = 11321856.

The previous prime is 43402217. The next prime is 43402237. The reversal of 43402230 is 3220434.

43402230 is a `hidden beast` number, since 434 + 0 + 2 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43402237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128622 + ... + 128958.

It is an arithmetic number, because the mean of its divisors is an integer number (1245699).

Almost surely, 2^43402230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43402230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59793552).

43402230 is an abundant number, since it is smaller than the sum of its proper divisors (76184874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43402230 is a wasteful number, since it uses less digits than its factorization.

43402230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 43402230 is about 6588.0368851426. The cubic root of 43402230 is about 351.4287987591.

Adding to 43402230 its reverse (3220434), we get a palindrome (46622664).

The spelling of 43402230 in words is "forty-three million, four hundred two thousand, two hundred thirty".