222242021412 has 24 divisors (see below), whose sum is σ = 518585634336. Its totient is φ = 74077685568.

The previous prime is 222242021389. The next prime is 222242021431. The reversal of 222242021412 is 214120242222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52618 + ... + 668769.

It is an arithmetic number, because the mean of its divisors is an integer number (21607734764).

Almost surely, 2^222242021412 is an apocalyptic number.

It is an amenable number.

222242021412 is an abundant number, since it is smaller than the sum of its proper divisors (296343612924).

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

222242021412 is a wasteful number, since it uses less digits than its factorization.

222242021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747067 (or 747065 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222242021412 its reverse (214120242222), we get a palindrome (436362263634).

The spelling of 222242021412 in words is "two hundred twenty-two billion, two hundred forty-two million, twenty-one thousand, four hundred twelve".