82921022 has 8 divisors (see below), whose sum is σ = 124425072. Its totient is φ = 41446000.

The previous prime is 82920977. The next prime is 82921037. The reversal of 82921022 is 22012928.

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

It is a junction number, because it is equal to n+sod(n) for n = 82920982 and 82921000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522 + ... + 13122.

It is an arithmetic number, because the mean of its divisors is an integer number (15553134).

Almost surely, 2^82921022 is an apocalyptic number.

82921022 is a deficient number, since it is larger than the sum of its proper divisors (41504050).

82921022 is a wasteful number, since it uses less digits than its factorization.

82921022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14514.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 82921022 is about 9106.0980666804. The cubic root of 82921022 is about 436.0686667654.

The spelling of 82921022 in words is "eighty-two million, nine hundred twenty-one thousand, twenty-two".