2821807223248 has 80 divisors (see below), whose sum is σ = 6247933856640. Its totient is φ = 1224633180672.

The previous prime is 2821807223243. The next prime is 2821807223269. The reversal of 2821807223248 is 8423227081282.

It is a super-2 number, since 2×2821807223248² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821807223243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4716411 + ... + 5280922.

It is an arithmetic number, because the mean of its divisors is an integer number (78099173208).

Almost surely, 2^{2821807223248} is an apocalyptic number.

It is an amenable number.

2821807223248 is an abundant number, since it is smaller than the sum of its proper divisors (3426126633392).

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

2821807223248 is a wasteful number, since it uses less digits than its factorization.

2821807223248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9997436 (or 9997430 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 49.

The spelling of 2821807223248 in words is "two trillion, eight hundred twenty-one billion, eight hundred seven million, two hundred twenty-three thousand, two hundred forty-eight".