7220826985 has 8 divisors (see below), whose sum is σ = 8699515776. Its totient is φ = 5753646000.

The previous prime is 7220826983. The next prime is 7220826989. The reversal of 7220826985 is 5896280227.

It is a happy number.

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

It is not a de Polignac number, because 7220826985 - 2¹ = 7220826983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7220826983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2875569 + ... + 2878078.

It is an arithmetic number, because the mean of its divisors is an integer number (1087439472).

Almost surely, 2^7220826985 is an apocalyptic number.

It is an amenable number.

7220826985 is a deficient number, since it is larger than the sum of its proper divisors (1478688791).

7220826985 is a wasteful number, since it uses less digits than its factorization.

7220826985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5753903.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 7220826985 is about 84975.4493074323. The cubic root of 7220826985 is about 1932.8388502690.

The spelling of 7220826985 in words is "seven billion, two hundred twenty million, eight hundred twenty-six thousand, nine hundred eighty-five".