373214221 has 2 divisors, whose sum is σ = 373214222. Its totient is φ = 373214220.

The previous prime is 373214203. The next prime is 373214273. The reversal of 373214221 is 122412373.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317338596 + 55875625 = 17814^2 + 7475^2 .

It is a cyclic number.

It is not a de Polignac number, because 373214221 - 2⁵ = 373214189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373211221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186607110 + 186607111.

It is an arithmetic number, because the mean of its divisors is an integer number (186607111).

Almost surely, 2^373214221 is an apocalyptic number.

It is an amenable number.

373214221 is a deficient number, since it is larger than the sum of its proper divisors (1).

373214221 is an equidigital number, since it uses as much as digits as its factorization.

373214221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 373214221 is about 19318.7530912324. The cubic root of 373214221 is about 719.9782793087.

Adding to 373214221 its reverse (122412373), we get a palindrome (495626594).

The spelling of 373214221 in words is "three hundred seventy-three million, two hundred fourteen thousand, two hundred twenty-one".