43972122 has 16 divisors (see below), whose sum is σ = 88331040. Its totient is φ = 14592912.

The previous prime is 43972121. The next prime is 43972129. The reversal of 43972122 is 22127934.

It is a self number, because there is not a number n which added to its sum of digits gives 43972122.

It is not an unprimeable number, because it can be changed into a prime (43972121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14628 + ... + 17375.

It is an arithmetic number, because the mean of its divisors is an integer number (5520690).

Almost surely, 2^43972122 is an apocalyptic number.

43972122 is an abundant number, since it is smaller than the sum of its proper divisors (44358918).

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

43972122 is a wasteful number, since it uses less digits than its factorization.

43972122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32237.

The product of its digits is 6048, while the sum is 30.

The square root of 43972122 is about 6631.1478644349. The cubic root of 43972122 is about 352.9602578932.

The spelling of 43972122 in words is "forty-three million, nine hundred seventy-two thousand, one hundred twenty-two".