222214120000020 has 72 divisors (see below), whose sum is σ = 674277449404104. Its totient is φ = 59237058924288.

The previous prime is 222214119999997. The next prime is 222214120000021. The reversal of 222214120000020 is 20000021412222.

It can be written as a sum of positive squares in 4 ways, for example, as 5209048487556 + 217005071512464 = 2282334^2 + 14731092^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222214119999948 and 222214120000002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222214120000021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208213579 + ... + 209278098.

It is an arithmetic number, because the mean of its divisors is an integer number (9364964575057).

Almost surely, 2^{222214120000020} is an apocalyptic number.

222214120000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222214120000020 is an abundant number, since it is smaller than the sum of its proper divisors (452063329404084).

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

222214120000020 is a wasteful number, since it uses less digits than its factorization.

222214120000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417494649 (or 417494644 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222214120000020 its reverse (20000021412222), we get a palindrome (242214141412242).

The spelling of 222214120000020 in words is "two hundred twenty-two trillion, two hundred fourteen billion, one hundred twenty million, twenty", and thus it is an aban number.