407228 has 6 divisors (see below), whose sum is σ = 712656. Its totient is φ = 203612.

The previous prime is 407221. The next prime is 407233. The reversal of 407228 is 822704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50900 + ... + 50907.

It is an arithmetic number, because the mean of its divisors is an integer number (118776).

2⁴⁰⁷²²⁸ is an apocalyptic number.

It is an amenable number.

407228 is a deficient number, since it is larger than the sum of its proper divisors (305428).

407228 is a wasteful number, since it uses less digits than its factorization.

407228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101811 (or 101809 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 407228 is about 638.1441843345. The cubic root of 407228 is about 74.1217863106.

The spelling of 407228 in words is "four hundred seven thousand, two hundred twenty-eight".