222200001020 has 48 divisors (see below), whose sum is σ = 482928995808. Its totient is φ = 85818224640.

The previous prime is 222200001019. The next prime is 222200001031. The reversal of 222200001020 is 20100002222.

It is a junction number, because it is equal to n+sod(n) for n = 222200000992 and 222200001010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317242 + ... + 1476321.

It is an arithmetic number, because the mean of its divisors is an integer number (10061020746).

Almost surely, 2^222200001020 is an apocalyptic number.

222200001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222200001020 is an abundant number, since it is smaller than the sum of its proper divisors (260728994788).

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

222200001020 is a wasteful number, since it uses less digits than its factorization.

222200001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793710 (or 2793708 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 222200001020 its reverse (20100002222), we get a palindrome (242300003242).

The spelling of 222200001020 in words is "two hundred twenty-two billion, two hundred million, one thousand, twenty".