222213103020 has 72 divisors (see below), whose sum is σ = 685470960720. Its totient is φ = 58252471680.

The previous prime is 222213103019. The next prime is 222213103027. The reversal of 222213103020 is 20301312222.

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 = 222213102984 and 222213103002.

It is not an unprimeable number, because it can be changed into a prime (222213103027) 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, 10451391 + ... + 10472630.

It is an arithmetic number, because the mean of its divisors is an integer number (9520430010).

Almost surely, 2^222213103020 is an apocalyptic number.

222213103020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222213103020 is an abundant number, since it is smaller than the sum of its proper divisors (463257857700).

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

222213103020 is a wasteful number, since it uses less digits than its factorization.

222213103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20924095 (or 20924090 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222213103020 its reverse (20301312222), we get a palindrome (242514415242).

The spelling of 222213103020 in words is "two hundred twenty-two billion, two hundred thirteen million, one hundred three thousand, twenty".