2294385021 has 20 divisors (see below), whose sum is σ = 3442540992. Its totient is φ = 1522839528.

The previous prime is 2294384929. The next prime is 2294385047. The reversal of 2294385021 is 1205834922.

It is a happy number.

It is not a de Polignac number, because 2294385021 - 2⁹ = 2294384509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2294385091) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44005 + ... + 80778.

Almost surely, 2^2294385021 is an apocalyptic number.

It is an amenable number.

2294385021 is a deficient number, since it is larger than the sum of its proper divisors (1148155971).

2294385021 is a wasteful number, since it uses less digits than its factorization.

2294385021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125022 (or 125013 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2294385021 is about 47899.7392581630. The cubic root of 2294385021 is about 1318.9310716051.

The spelling of 2294385021 in words is "two billion, two hundred ninety-four million, three hundred eighty-five thousand, twenty-one".