7282221694 has 32 divisors (see below), whose sum is σ = 13281408000. Its totient is φ = 2951418240.

The previous prime is 7282221671. The next prime is 7282221763. The reversal of 7282221694 is 4961222827.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7282221694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505294 + ... + 519505.

It is an arithmetic number, because the mean of its divisors is an integer number (415044000).

Almost surely, 2^7282221694 is an apocalyptic number.

7282221694 is a deficient number, since it is larger than the sum of its proper divisors (5999186306).

7282221694 is a wasteful number, since it uses less digits than its factorization.

7282221694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024848.

The product of its digits is 193536, while the sum is 43.

The square root of 7282221694 is about 85335.9343653071. The cubic root of 7282221694 is about 1938.3013520605.

The spelling of 7282221694 in words is "seven billion, two hundred eighty-two million, two hundred twenty-one thousand, six hundred ninety-four".