822518349 has 8 divisors (see below), whose sum is σ = 1098202560. Its totient is φ = 547589856.

The previous prime is 822518321. The next prime is 822518353. The reversal of 822518349 is 943815228.

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

It is not a de Polignac number, because 822518349 - 2⁵ = 822518317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 822518349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822518149) 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, 186384 + ... + 190745.

It is an arithmetic number, because the mean of its divisors is an integer number (137275320).

Almost surely, 2^822518349 is an apocalyptic number.

It is an amenable number.

822518349 is a deficient number, since it is larger than the sum of its proper divisors (275684211).

822518349 is a wasteful number, since it uses less digits than its factorization.

822518349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377859.

The product of its digits is 138240, while the sum is 42.

The square root of 822518349 is about 28679.5806977717. The cubic root of 822518349 is about 936.9473740778.

The spelling of 822518349 in words is "eight hundred twenty-two million, five hundred eighteen thousand, three hundred forty-nine".