43220402 has 16 divisors (see below), whose sum is σ = 68445600. Its totient is φ = 20412000.

The previous prime is 43220399. The next prime is 43220431. The reversal of 43220402 is 20402234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12902 + ... + 15902.

It is an arithmetic number, because the mean of its divisors is an integer number (4277850).

Almost surely, 2^43220402 is an apocalyptic number.

43220402 is a deficient number, since it is larger than the sum of its proper divisors (25225198).

43220402 is a wasteful number, since it uses less digits than its factorization.

43220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 43220402 is about 6574.2225395860. Note that the first 3 decimals coincide. The cubic root of 43220402 is about 350.9373567533.

Adding to 43220402 its reverse (20402234), we get a palindrome (63622636).

The spelling of 43220402 in words is "forty-three million, two hundred twenty thousand, four hundred two".