2402323221 has 8 divisors (see below), whose sum is σ = 3204295200. Its totient is φ = 1600950032.

The previous prime is 2402323211. The next prime is 2402323229. The reversal of 2402323221 is 1223232042.

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

It is a cyclic number.

It is not a de Polignac number, because 2402323221 - 2²² = 2398128917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402323229) 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, 140250 + ... + 156443.

It is an arithmetic number, because the mean of its divisors is an integer number (400536900).

Almost surely, 2^2402323221 is an apocalyptic number.

It is an amenable number.

2402323221 is a deficient number, since it is larger than the sum of its proper divisors (801971979).

2402323221 is a wasteful number, since it uses less digits than its factorization.

2402323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299395.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2402323221 is about 49013.5003952993. The cubic root of 2402323221 is about 1339.2977721445.

Adding to 2402323221 its reverse (1223232042), we get a palindrome (3625555263).

The spelling of 2402323221 in words is "two billion, four hundred two million, three hundred twenty-three thousand, two hundred twenty-one".