7285221814 has 8 divisors (see below), whose sum is σ = 11768435280. Its totient is φ = 3362410056.

The previous prime is 7285221799. The next prime is 7285221833. The reversal of 7285221814 is 4181225827.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 140100394 + ... + 140100445.

It is an arithmetic number, because the mean of its divisors is an integer number (1471054410).

Almost surely, 2^7285221814 is an apocalyptic number.

7285221814 is a deficient number, since it is larger than the sum of its proper divisors (4483213466).

7285221814 is a wasteful number, since it uses less digits than its factorization.

7285221814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280200854.

The product of its digits is 71680, while the sum is 40.

The square root of 7285221814 is about 85353.5108475334. The cubic root of 7285221814 is about 1938.5674951191.

The spelling of 7285221814 in words is "seven billion, two hundred eighty-five million, two hundred twenty-one thousand, eight hundred fourteen".