447422398 has 4 divisors (see below), whose sum is σ = 671133600. Its totient is φ = 223711198.

The previous prime is 447422383. The next prime is 447422399. The reversal of 447422398 is 893224744.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447422399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111855598 + ... + 111855601.

It is an arithmetic number, because the mean of its divisors is an integer number (167783400).

Almost surely, 2^447422398 is an apocalyptic number.

447422398 is a deficient number, since it is larger than the sum of its proper divisors (223711202).

447422398 is a wasteful number, since it uses less digits than its factorization.

447422398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223711201.

The product of its digits is 387072, while the sum is 43.

The square root of 447422398 is about 21152.3615230073. The cubic root of 447422398 is about 764.8434885647.

The spelling of 447422398 in words is "four hundred forty-seven million, four hundred twenty-two thousand, three hundred ninety-eight".