2234402221 has 4 divisors (see below), whose sum is σ = 2306479744. Its totient is φ = 2162324700.

The previous prime is 2234402173. The next prime is 2234402239. The reversal of 2234402221 is 1222044322.

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: 1222044322 = 2 ⋅611022161.

It is a cyclic number.

It is not a de Polignac number, because 2234402221 - 2¹¹ = 2234400173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2234402192 and 2234402201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2234405221) 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, 36038715 + ... + 36038776.

It is an arithmetic number, because the mean of its divisors is an integer number (576619936).

Almost surely, 2^2234402221 is an apocalyptic number.

It is an amenable number.

2234402221 is a deficient number, since it is larger than the sum of its proper divisors (72077523).

2234402221 is an equidigital number, since it uses as much as digits as its factorization.

2234402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72077522.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2234402221 is about 47269.4639381493. The cubic root of 2234402221 is about 1307.3356919099.

Adding to 2234402221 its reverse (1222044322), we get a palindrome (3456446543).

The spelling of 2234402221 in words is "two billion, two hundred thirty-four million, four hundred two thousand, two hundred twenty-one".