447900229 has 12 divisors (see below), whose sum is σ = 543681504. Its totient is φ = 367221624.

The previous prime is 447900223. The next prime is 447900239. The reversal of 447900229 is 922009744.

It is not a de Polignac number, because 447900229 - 2⁵ = 447900197 is a prime.

It is a super-2 number, since 2×447900229² = 401229230276504882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447900223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197587 + ... + 199840.

It is an arithmetic number, because the mean of its divisors is an integer number (45306792).

Almost surely, 2^447900229 is an apocalyptic number.

447900229 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

447900229 is a deficient number, since it is larger than the sum of its proper divisors (95781275).

447900229 is a wasteful number, since it uses less digits than its factorization.

447900229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397464 (or 397457 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 447900229 is about 21163.6534889418. The cubic root of 447900229 is about 765.1156667915.

The spelling of 447900229 in words is "four hundred forty-seven million, nine hundred thousand, two hundred twenty-nine".