222404022012 has 24 divisors (see below), whose sum is σ = 519048697216. Its totient is φ = 74119534128.

The previous prime is 222404022011. The next prime is 222404022023. The reversal of 222404022012 is 210220404222.

222404022012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222404022012² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222404022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222404022011) 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, 1831198 + ... + 1948869.

Almost surely, 2^222404022012 is an apocalyptic number.

It is an amenable number.

222404022012 is an abundant number, since it is smaller than the sum of its proper divisors (296644675204).

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

222404022012 is a wasteful number, since it uses less digits than its factorization.

222404022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784977 (or 3784975 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 222404022012 its reverse (210220404222), we get a palindrome (432624426234).

The spelling of 222404022012 in words is "two hundred twenty-two billion, four hundred four million, twenty-two thousand, twelve".