222245012 has 48 divisors (see below), whose sum is σ = 455051520. Its totient is φ = 93849600.

The previous prime is 222245003. The next prime is 222245039. The reversal of 222245012 is 210542222.

222245012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57212 + ... + 60972.

It is an arithmetic number, because the mean of its divisors is an integer number (9480240).

Almost surely, 2^222245012 is an apocalyptic number.

222245012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222245012 is an abundant number, since it is smaller than the sum of its proper divisors (232806508).

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

222245012 is a wasteful number, since it uses less digits than its factorization.

222245012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872 (or 3870 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 222245012 is about 14907.8842227863. The cubic root of 222245012 is about 605.7275694568.

Adding to 222245012 its reverse (210542222), we get a palindrome (432787234).

The spelling of 222245012 in words is "two hundred twenty-two million, two hundred forty-five thousand, twelve".