371423221 has 8 divisors (see below), whose sum is σ = 402544184. Its totient is φ = 340666560.

The previous prime is 371423201. The next prime is 371423233. The reversal of 371423221 is 122324173.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9891025 + 361532196 = 3145^2 + 19014^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 371423221 - 2⁵ = 371423189 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 (371423201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88950 + ... + 93031.

It is an arithmetic number, because the mean of its divisors is an integer number (50318023).

Almost surely, 2^371423221 is an apocalyptic number.

It is an amenable number.

371423221 is a deficient number, since it is larger than the sum of its proper divisors (31120963).

371423221 is a wasteful number, since it uses less digits than its factorization.

371423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182151.

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

The square root of 371423221 is about 19272.3434226355. The cubic root of 371423221 is about 718.8247422614.

Adding to 371423221 its reverse (122324173), we get a palindrome (493747394).

The spelling of 371423221 in words is "three hundred seventy-one million, four hundred twenty-three thousand, two hundred twenty-one".