82212351 has 8 divisors (see below), whose sum is σ = 118048560. Its totient is φ = 50592192.

The previous prime is 82212343. The next prime is 82212367. The reversal of 82212351 is 15321228.

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

It is not a de Polignac number, because 82212351 - 2³ = 82212343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82212371) 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 7 ways as a sum of consecutive naturals, for example, 1053966 + ... + 1054043.

It is an arithmetic number, because the mean of its divisors is an integer number (14756070).

Almost surely, 2^82212351 is an apocalyptic number.

82212351 is a deficient number, since it is larger than the sum of its proper divisors (35836209).

82212351 is a wasteful number, since it uses less digits than its factorization.

82212351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108025.

The product of its digits is 960, while the sum is 24.

The square root of 82212351 is about 9067.1026794671. The cubic root of 82212351 is about 434.8228476696.

Adding to 82212351 its reverse (15321228), we get a palindrome (97533579).

The spelling of 82212351 in words is "eighty-two million, two hundred twelve thousand, three hundred fifty-one".