10221976782582 has 16 divisors (see below), whose sum is σ = 20523502025712. Its totient is φ = 3394067517440.

The previous prime is 10221976782569. The next prime is 10221976782583. The reversal of 10221976782582 is 28528767912201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221976782583) 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, 3314517519 + ... + 3314520602.

It is an arithmetic number, because the mean of its divisors is an integer number (1282718876607).

Almost surely, 2^{10221976782582} is an apocalyptic number.

10221976782582 is an abundant number, since it is smaller than the sum of its proper divisors (10301525243130).

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

10221976782582 is a wasteful number, since it uses less digits than its factorization.

10221976782582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629038383.

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 10221976782582 in words is "ten trillion, two hundred twenty-one billion, nine hundred seventy-six million, seven hundred eighty-two thousand, five hundred eighty-two".