2263240321 has 4 divisors (see below), whose sum is σ = 2285213632. Its totient is φ = 2241267012.

The previous prime is 2263240307. The next prime is 2263240349. The reversal of 2263240321 is 1230423622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2263240321 - 2⁹ = 2263239809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2263240351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10986501 + ... + 10986706.

It is an arithmetic number, because the mean of its divisors is an integer number (571303408).

Almost surely, 2^2263240321 is an apocalyptic number.

It is an amenable number.

2263240321 is a deficient number, since it is larger than the sum of its proper divisors (21973311).

2263240321 is a wasteful number, since it uses less digits than its factorization.

2263240321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21973310.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2263240321 is about 47573.5254211836. The cubic root of 2263240321 is about 1312.9360019171.

Adding to 2263240321 its reverse (1230423622), we get a palindrome (3493663943).

The spelling of 2263240321 in words is "two billion, two hundred sixty-three million, two hundred forty thousand, three hundred twenty-one".