227520012 has 24 divisors (see below), whose sum is σ = 531507312. Its totient is φ = 75750400.

The previous prime is 227520011. The next prime is 227520017. The reversal of 227520012 is 210025722.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (227520011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189 + ... + 21332.

It is an arithmetic number, because the mean of its divisors is an integer number (22146138).

Almost surely, 2^227520012 is an apocalyptic number.

It is an amenable number.

227520012 is an abundant number, since it is smaller than the sum of its proper divisors (303987300).

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

227520012 is a wasteful number, since it uses less digits than its factorization.

227520012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22409 (or 22407 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 227520012 is about 15083.7665057505. The cubic root of 227520012 is about 610.4824741538.

Adding to 227520012 its reverse (210025722), we get a palindrome (437545734).

The spelling of 227520012 in words is "two hundred twenty-seven million, five hundred twenty thousand, twelve".