224211012 has 12 divisors (see below), whose sum is σ = 523159056. Its totient is φ = 74737000.

The previous prime is 224210999. The next prime is 224211017. The reversal of 224211012 is 210112422.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 224210982 and 224211000.

It is not an unprimeable number, because it can be changed into a prime (224211017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9342114 + ... + 9342137.

It is an arithmetic number, because the mean of its divisors is an integer number (43596588).

Almost surely, 2^224211012 is an apocalyptic number.

It is an amenable number.

224211012 is an abundant number, since it is smaller than the sum of its proper divisors (298948044).

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

224211012 is a wasteful number, since it uses less digits than its factorization.

224211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18684258 (or 18684256 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 224211012 is about 14973.6773038556. The cubic root of 224211012 is about 607.5084359275.

Adding to 224211012 its reverse (210112422), we get a palindrome (434323434).

The spelling of 224211012 in words is "two hundred twenty-four million, two hundred eleven thousand, twelve".