82681422 has 16 divisors (see below), whose sum is σ = 166827600. Its totient is φ = 27316352.

The previous prime is 82681411. The next prime is 82681427. The reversal of 82681422 is 22418628.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82681427) 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, 60297 + ... + 61652.

It is an arithmetic number, because the mean of its divisors is an integer number (10426725).

Almost surely, 2^82681422 is an apocalyptic number.

82681422 is an abundant number, since it is smaller than the sum of its proper divisors (84146178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82681422 is a wasteful number, since it uses less digits than its factorization.

82681422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122067.

The product of its digits is 12288, while the sum is 33.

The square root of 82681422 is about 9092.9325302677. The cubic root of 82681422 is about 435.6482552887.

The spelling of 82681422 in words is "eighty-two million, six hundred eighty-one thousand, four hundred twenty-two".