2214225421 has 4 divisors (see below), whose sum is σ = 2214741472. Its totient is φ = 2213709372.

The previous prime is 2214225379. The next prime is 2214225427. The reversal of 2214225421 is 1245224122.

It is a happy number.

2214225421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2214225421 - 2¹⁵ = 2214192653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214225427) 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, 251535 + ... + 260188.

It is an arithmetic number, because the mean of its divisors is an integer number (553685368).

Almost surely, 2^2214225421 is an apocalyptic number.

It is an amenable number.

2214225421 is a deficient number, since it is larger than the sum of its proper divisors (516051).

2214225421 is an equidigital number, since it uses as much as digits as its factorization.

2214225421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516050.

The product of its digits is 2560, while the sum is 25.

The square root of 2214225421 is about 47055.5567494425. The cubic root of 2214225421 is about 1303.3886780759.

Adding to 2214225421 its reverse (1245224122), we get a palindrome (3459449543).

The spelling of 2214225421 in words is "two billion, two hundred fourteen million, two hundred twenty-five thousand, four hundred twenty-one".