7228166859 has 6 divisors (see below), whose sum is σ = 10440685476. Its totient is φ = 4818777900.

The previous prime is 7228166851. The next prime is 7228166867. The reversal of 7228166859 is 9586618227.

It is an interprime number because it is at equal distance from previous prime (7228166851) and next prime (7228166867).

It is not a de Polignac number, because 7228166859 - 2³ = 7228166851 is a prime.

It is a super-3 number, since 3×7228166859³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (7228166851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401564817 + ... + 401564834.

It is an arithmetic number, because the mean of its divisors is an integer number (1740114246).

Almost surely, 2^7228166859 is an apocalyptic number.

7228166859 is a deficient number, since it is larger than the sum of its proper divisors (3212518617).

7228166859 is a wasteful number, since it uses less digits than its factorization.

7228166859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803129657 (or 803129654 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 7228166859 is about 85018.6265414821. The cubic root of 7228166859 is about 1933.4935301033.

The spelling of 7228166859 in words is "seven billion, two hundred twenty-eight million, one hundred sixty-six thousand, eight hundred fifty-nine".