8220670343 has 8 divisors (see below), whose sum is σ = 8336297088. Its totient is φ = 8105438584.

The previous prime is 8220670301. The next prime is 8220670349. The reversal of 8220670343 is 3430760228.

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

It is a cyclic number.

It is not a de Polignac number, because 8220670343 - 2⁶ = 8220670279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220670349) 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, 56705 + ... + 140202.

It is an arithmetic number, because the mean of its divisors is an integer number (1042037136).

Almost surely, 2^8220670343 is an apocalyptic number.

8220670343 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

8220670343 is a deficient number, since it is larger than the sum of its proper divisors (115626745).

8220670343 is a wasteful number, since it uses less digits than its factorization.

8220670343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197493.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 8220670343 is about 90667.9124222015. The cubic root of 8220670343 is about 2018.2226583520. Note that the first 3 decimals are identical.

The spelling of 8220670343 in words is "eight billion, two hundred twenty million, six hundred seventy thousand, three hundred forty-three".