7282221693 has 8 divisors (see below), whose sum is σ = 9744682848. Its totient is φ = 4837287504.

The previous prime is 7282221671. The next prime is 7282221763. The reversal of 7282221693 is 3961222827.

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

It is not a de Polignac number, because 7282221693 - 2¹⁰ = 7282220669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7282221493) 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, 4380771 + ... + 4382432.

It is an arithmetic number, because the mean of its divisors is an integer number (1218085356).

Almost surely, 2^7282221693 is an apocalyptic number.

It is an amenable number.

7282221693 is a deficient number, since it is larger than the sum of its proper divisors (2462461155).

7282221693 is a wasteful number, since it uses less digits than its factorization.

7282221693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8763483.

The product of its digits is 145152, while the sum is 42.

The square root of 7282221693 is about 85335.9343594479. The cubic root of 7282221693 is about 1938.3013519718.

The spelling of 7282221693 in words is "seven billion, two hundred eighty-two million, two hundred twenty-one thousand, six hundred ninety-three".