2402314021 has 4 divisors (see below), whose sum is σ = 2407247392. Its totient is φ = 2397380652.

The previous prime is 2402314007. The next prime is 2402314027. The reversal of 2402314021 is 1204132042.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1204132042 = 2 ⋅602066021.

It is a cyclic number.

It is not a de Polignac number, because 2402314021 - 2²¹ = 2400216869 is a prime.

It is a super-2 number, since 2×2402314021² = 11542225310986376882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2402314021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402314027) 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, 2465955 + ... + 2466928.

It is an arithmetic number, because the mean of its divisors is an integer number (601811848).

Almost surely, 2^2402314021 is an apocalyptic number.

It is an amenable number.

2402314021 is a deficient number, since it is larger than the sum of its proper divisors (4933371).

2402314021 is an equidigital number, since it uses as much as digits as its factorization.

2402314021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933370.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2402314021 is about 49013.4065435162. The cubic root of 2402314021 is about 1339.2960624724.

Adding to 2402314021 its reverse (1204132042), we get a palindrome (3606446063).

The spelling of 2402314021 in words is "two billion, four hundred two million, three hundred fourteen thousand, twenty-one".