222002300021 has 8 divisors (see below), whose sum is σ = 222722550840. Its totient is φ = 221282175168.

The previous prime is 222002299969. The next prime is 222002300029. The reversal of 222002300021 is 120003200222.

222002300021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 312936100 + 221689363921 = 17690^2 + 470839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222002300021 is a prime.

It is a super-2 number, since 2×222002300021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222002299969 and 222002300005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222002300029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4590515 + ... + 4638623.

It is an arithmetic number, because the mean of its divisors is an integer number (27840318855).

Almost surely, 2^222002300021 is an apocalyptic number.

It is an amenable number.

222002300021 is a deficient number, since it is larger than the sum of its proper divisors (720250819).

222002300021 is a wasteful number, since it uses less digits than its factorization.

222002300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62983.

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

Adding to 222002300021 its reverse (120003200222), we get a palindrome (342005500243).

The spelling of 222002300021 in words is "two hundred twenty-two billion, two million, three hundred thousand, twenty-one".