371474221 has 4 divisors (see below), whose sum is σ = 371583072. Its totient is φ = 371365372.

The previous prime is 371474203. The next prime is 371474237. The reversal of 371474221 is 122474173.

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: 122474173 = 3539 ⋅34607.

It is a cyclic number.

It is not a de Polignac number, because 371474221 - 2⁵ = 371474189 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (371474281) 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, 49135 + ... + 56188.

It is an arithmetic number, because the mean of its divisors is an integer number (92895768).

Almost surely, 2^371474221 is an apocalyptic number.

It is an amenable number.

371474221 is a deficient number, since it is larger than the sum of its proper divisors (108851).

371474221 is a wasteful number, since it uses less digits than its factorization.

371474221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108850.

The product of its digits is 9408, while the sum is 31.

The square root of 371474221 is about 19273.6665167788. Note that the first 3 decimals coincide. The cubic root of 371474221 is about 718.8576412851.

The spelling of 371474221 in words is "three hundred seventy-one million, four hundred seventy-four thousand, two hundred twenty-one".