2202421427 has 4 divisors (see below), whose sum is σ = 2219763456. Its totient is φ = 2185079400.

The previous prime is 2202421399. The next prime is 2202421447. The reversal of 2202421427 is 7241242022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2202421427 - 2²⁴ = 2185644211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202421396 and 2202421405.

It is not an unprimeable number, because it can be changed into a prime (2202421447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8670824 + ... + 8671077.

It is an arithmetic number, because the mean of its divisors is an integer number (554940864).

Almost surely, 2^2202421427 is an apocalyptic number.

2202421427 is a deficient number, since it is larger than the sum of its proper divisors (17342029).

2202421427 is a wasteful number, since it uses less digits than its factorization.

2202421427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17342028.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 2202421427 is about 46929.9629980677. The cubic root of 2202421427 is about 1301.0684366289.

Adding to 2202421427 its reverse (7241242022), we get a palindrome (9443663449).

The spelling of 2202421427 in words is "two billion, two hundred two million, four hundred twenty-one thousand, four hundred twenty-seven".