375468221 has 2 divisors, whose sum is σ = 375468222. Its totient is φ = 375468220.

The previous prime is 375468211. The next prime is 375468241. The reversal of 375468221 is 122864573.

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., 371911225 + 3556996 = 19285^2 + 1886^2 .

It is a cyclic number.

It is not a de Polignac number, because 375468221 - 2⁶ = 375468157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375468211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187734110 + 187734111.

It is an arithmetic number, because the mean of its divisors is an integer number (187734111).

Almost surely, 2^375468221 is an apocalyptic number.

It is an amenable number.

375468221 is a deficient number, since it is larger than the sum of its proper divisors (1).

375468221 is an equidigital number, since it uses as much as digits as its factorization.

375468221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 375468221 is about 19377.0023739484. The cubic root of 375468221 is about 721.4247898990.

The spelling of 375468221 in words is "three hundred seventy-five million, four hundred sixty-eight thousand, two hundred twenty-one".