43481522 has 12 divisors (see below), whose sum is σ = 75870990. Its totient is φ = 18634896.

The previous prime is 43481513. The next prime is 43481551. The reversal of 43481522 is 22518434.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43020481 + 461041 = 6559^2 + 679^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221747 + ... + 221942.

Almost surely, 2^43481522 is an apocalyptic number.

43481522 is a deficient number, since it is larger than the sum of its proper divisors (32389468).

43481522 is a wasteful number, since it uses less digits than its factorization.

43481522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443705 (or 443698 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 43481522 is about 6594.0520167800. The cubic root of 43481522 is about 351.6426782476.

Adding to 43481522 its reverse (22518434), we get a palindrome (65999956).

The spelling of 43481522 in words is "forty-three million, four hundred eighty-one thousand, five hundred twenty-two".