447222371 has 4 divisors (see below), whose sum is σ = 449721000. Its totient is φ = 444723744.

The previous prime is 447222359. The next prime is 447222401. The reversal of 447222371 is 173222744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 447222371 - 2²² = 443028067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447212371) 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, 1249046 + ... + 1249403.

It is an arithmetic number, because the mean of its divisors is an integer number (112430250).

Almost surely, 2^447222371 is an apocalyptic number.

447222371 is a deficient number, since it is larger than the sum of its proper divisors (2498629).

447222371 is a wasteful number, since it uses less digits than its factorization.

447222371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498628.

The product of its digits is 18816, while the sum is 32.

The square root of 447222371 is about 21147.6327516817. The cubic root of 447222371 is about 764.7294932637.

The spelling of 447222371 in words is "four hundred forty-seven million, two hundred twenty-two thousand, three hundred seventy-one".