2294644821 has 8 divisors (see below), whose sum is σ = 3496601664. Its totient is φ = 1311225600.

The previous prime is 2294644817. The next prime is 2294644837. The reversal of 2294644821 is 1284464922.

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

It is not a de Polignac number, because 2294644821 - 2² = 2294644817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2294644871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54634380 + ... + 54634421.

It is an arithmetic number, because the mean of its divisors is an integer number (437075208).

Almost surely, 2^2294644821 is an apocalyptic number.

2294644821 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2294644821 is a deficient number, since it is larger than the sum of its proper divisors (1201956843).

2294644821 is a wasteful number, since it uses less digits than its factorization.

2294644821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109268811.

The product of its digits is 221184, while the sum is 42.

The square root of 2294644821 is about 47902.4510959512. The cubic root of 2294644821 is about 1318.9808518812.

The spelling of 2294644821 in words is "two billion, two hundred ninety-four million, six hundred forty-four thousand, eight hundred twenty-one".