43221700772 has 24 divisors (see below), whose sum is σ = 78124300800. Its totient is φ = 20901300480.

The previous prime is 43221700727. The next prime is 43221700777. The reversal of 43221700772 is 27700712234.

It is not an unprimeable number, because it can be changed into a prime (43221700777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107729 + ... + 313127.

It is an arithmetic number, because the mean of its divisors is an integer number (3255179200).

Almost surely, 2^43221700772 is an apocalyptic number.

It is an amenable number.

43221700772 is a deficient number, since it is larger than the sum of its proper divisors (34902600028).

43221700772 is a wasteful number, since it uses less digits than its factorization.

43221700772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207131 (or 207129 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The spelling of 43221700772 in words is "forty-three billion, two hundred twenty-one million, seven hundred thousand, seven hundred seventy-two".