82213203381 has 16 divisors (see below), whose sum is σ = 110659089600. Its totient is φ = 54290444288.

The previous prime is 82213203367. The next prime is 82213203439. The reversal of 82213203381 is 18330231228.

It is a cyclic number.

It is not a de Polignac number, because 82213203381 - 2²⁶ = 82146094517 is a prime.

It is a super-2 number, since 2×82213203381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82213203361) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 159846 + ... + 435863.

It is an arithmetic number, because the mean of its divisors is an integer number (6916193100).

Almost surely, 2^82213203381 is an apocalyptic number.

It is an amenable number.

82213203381 is a deficient number, since it is larger than the sum of its proper divisors (28445886219).

82213203381 is a wasteful number, since it uses less digits than its factorization.

82213203381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596148.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 82213203381 in words is "eighty-two billion, two hundred thirteen million, two hundred three thousand, three hundred eighty-one".