222200300021 has 16 divisors (see below), whose sum is σ = 254456808960. Its totient is φ = 190072450800.

The previous prime is 222200300017. The next prime is 222200300041. The reversal of 222200300021 is 120003002222.

It is a cyclic number.

It is not a de Polignac number, because 222200300021 - 2² = 222200300017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222200299969 and 222200300005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222200300041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12344390 + ... + 12362376.

It is an arithmetic number, because the mean of its divisors is an integer number (15903550560).

Almost surely, 2^222200300021 is an apocalyptic number.

It is an amenable number.

222200300021 is a deficient number, since it is larger than the sum of its proper divisors (32256508939).

222200300021 is a wasteful number, since it uses less digits than its factorization.

222200300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21464.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 222200300021 its reverse (120003002222), we get a palindrome (342203302243).

The spelling of 222200300021 in words is "two hundred twenty-two billion, two hundred million, three hundred thousand, twenty-one".