7928222044 has 12 divisors (see below), whose sum is σ = 13880291544. Its totient is φ = 3962424464.

The previous prime is 7928222023. The next prime is 7928222047. The reversal of 7928222044 is 4402228297.

It is a junction number, because it is equal to n+sod(n) for n = 7928221988 and 7928222006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7928222047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411034 + ... + 429889.

It is an arithmetic number, because the mean of its divisors is an integer number (1156690962).

Almost surely, 2^7928222044 is an apocalyptic number.

It is an amenable number.

7928222044 is a deficient number, since it is larger than the sum of its proper divisors (5952069500).

7928222044 is a wasteful number, since it uses less digits than its factorization.

7928222044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843284 (or 843282 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 7928222044 is about 89040.5640368478. The cubic root of 7928222044 is about 1994.0005248107. Note that the first 3 decimals are identical.

The spelling of 7928222044 in words is "seven billion, nine hundred twenty-eight million, two hundred twenty-two thousand, forty-four".