227221230 has 16 divisors (see below), whose sum is σ = 545331024. Its totient is φ = 60592320.

The previous prime is 227221219. The next prime is 227221231. The reversal of 227221230 is 32122722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 227221197 and 227221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227221231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3786991 + ... + 3787050.

It is an arithmetic number, because the mean of its divisors is an integer number (34083189).

Almost surely, 2^227221230 is an apocalyptic number.

227221230 is an abundant number, since it is smaller than the sum of its proper divisors (318109794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227221230 is a wasteful number, since it uses less digits than its factorization.

227221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7574051.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 227221230 is about 15073.8591608121. The cubic root of 227221230 is about 610.2151261301.

Adding to 227221230 its reverse (32122722), we get a palindrome (259343952).

The spelling of 227221230 in words is "two hundred twenty-seven million, two hundred twenty-one thousand, two hundred thirty".