2402314221 has 4 divisors (see below), whose sum is σ = 3203085632. Its totient is φ = 1601542812.

The previous prime is 2402314219. The next prime is 2402314231. The reversal of 2402314221 is 1224132042.

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 not a de Polignac number, because 2402314221 - 2¹ = 2402314219 is a prime.

It is a super-2 number, since 2×2402314221² = 11542227232837673682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402314231) 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, 400385701 + ... + 400385706.

It is an arithmetic number, because the mean of its divisors is an integer number (800771408).

Almost surely, 2^2402314221 is an apocalyptic number.

It is an amenable number.

2402314221 is a deficient number, since it is larger than the sum of its proper divisors (800771411).

2402314221 is an equidigital number, since it uses as much as digits as its factorization.

2402314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800771410.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2402314221 is about 49013.4085837743. The cubic root of 2402314221 is about 1339.2960996392.

Adding to 2402314221 its reverse (1224132042), we get a palindrome (3626446263).

The spelling of 2402314221 in words is "two billion, four hundred two million, three hundred fourteen thousand, two hundred twenty-one".