3226294923721 has 3 divisors (see below), whose sum is σ = 3226296719911. Its totient is φ = 3226293127532.

The previous prime is 3226294923701. The next prime is 3226294923727. The reversal of 3226294923721 is 1273294926223.

It is a happy number.

The square root of 3226294923721 is 1796189.

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., 2676531992121 + 549762931600 = 1636011^2 + 741460^2 .

It is not a de Polignac number, because 3226294923721 - 2²¹ = 3226292826569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3226294923727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 898095 + ... + 2694283.

Almost surely, 2^{3226294923721} is an apocalyptic number.

3226294923721 is the 1796189-th square number.

3226294923721 is the 898095-th centered octagonal number.

It is an amenable number.

3226294923721 is a deficient number, since it is larger than the sum of its proper divisors (1796190).

3226294923721 is an frugal number, since it uses more digits than its factorization.

3226294923721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592378 (or 1796189 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 52.

The spelling of 3226294923721 in words is "three trillion, two hundred twenty-six billion, two hundred ninety-four million, nine hundred twenty-three thousand, seven hundred twenty-one".