227421838 has 48 divisors (see below), whose sum is σ = 417294720. Its totient is φ = 92507184.

The previous prime is 227421787. The next prime is 227421839. The reversal of 227421838 is 838124722.

It is a junction number, because it is equal to n+sod(n) for n = 227421797 and 227421806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227421839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367093 + ... + 367711.

It is an arithmetic number, because the mean of its divisors is an integer number (8693640).

Almost surely, 2^227421838 is an apocalyptic number.

227421838 is a deficient number, since it is larger than the sum of its proper divisors (189872882).

227421838 is a wasteful number, since it uses less digits than its factorization.

227421838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 814 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 227421838 is about 15080.5118613395. The cubic root of 227421838 is about 610.3946545838.

The spelling of 227421838 in words is "two hundred twenty-seven million, four hundred twenty-one thousand, eight hundred thirty-eight".