2246884079521 has 3 divisors (see below), whose sum is σ = 2246885578483. Its totient is φ = 2246882580560.

The previous prime is 2246884079497. The next prime is 2246884079551. The reversal of 2246884079521 is 1259704886422.

The square root of 2246884079521 is 1498961.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1593373519521 + 653510560000 = 1262289^2 + 808400^2 .

It is not a de Polignac number, because 2246884079521 - 2²⁵ = 2246850525089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2246884079551) 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 2 ways as a sum of consecutive naturals, for example, 749481 + ... + 2248441.

Almost surely, 2^{2246884079521} is an apocalyptic number.

2246884079521 is the 1498961-st square number.

2246884079521 is the 749481-st centered octagonal number.

It is an amenable number.

2246884079521 is a deficient number, since it is larger than the sum of its proper divisors (1498962).

2246884079521 is an frugal number, since it uses more digits than its factorization.

2246884079521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997922 (or 1498961 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 2246884079521 in words is "two trillion, two hundred forty-six billion, eight hundred eighty-four million, seventy-nine thousand, five hundred twenty-one".