7222051993 has 8 divisors (see below), whose sum is σ = 7778255688. Its totient is φ = 6665942784.

The previous prime is 7222051973. The next prime is 7222052011. The reversal of 7222051993 is 3991502227.

It can be written as a sum of positive squares in 4 ways, for example, as 816130624 + 6405921369 = 28568^2 + 80037^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7222051993 - 2⁹ = 7222051481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7222051933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275505 + ... + 300577.

It is an arithmetic number, because the mean of its divisors is an integer number (972281961).

Almost surely, 2^7222051993 is an apocalyptic number.

It is an amenable number.

7222051993 is a deficient number, since it is larger than the sum of its proper divisors (556203695).

7222051993 is a wasteful number, since it uses less digits than its factorization.

7222051993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47243.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 7222051993 is about 84982.6570130636. The cubic root of 7222051993 is about 1932.9481456529.

The spelling of 7222051993 in words is "seven billion, two hundred twenty-two million, fifty-one thousand, nine hundred ninety-three".