2243023521 has 8 divisors (see below), whose sum is σ = 3035335584. Its totient is φ = 1473030240.

The previous prime is 2243023513. The next prime is 2243023543. The reversal of 2243023521 is 1253203422.

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

It is not a de Polignac number, because 2243023521 - 2³ = 2243023513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2243023491 and 2243023500.

It is not an unprimeable number, because it can be changed into a prime (2243023021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5579460 + ... + 5579861.

It is an arithmetic number, because the mean of its divisors is an integer number (379416948).

Almost surely, 2^2243023521 is an apocalyptic number.

It is an amenable number.

2243023521 is a deficient number, since it is larger than the sum of its proper divisors (792312063).

2243023521 is a wasteful number, since it uses less digits than its factorization.

2243023521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11159391.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2243023521 is about 47360.5692638929. The cubic root of 2243023521 is about 1309.0149580729.

Adding to 2243023521 its reverse (1253203422), we get a palindrome (3496226943).

The spelling of 2243023521 in words is "two billion, two hundred forty-three million, twenty-three thousand, five hundred twenty-one".