302000020222221 has 24 divisors (see below), whose sum is σ = 440698567341240. Its totient is φ = 199268778240000.

The previous prime is 302000020222157. The next prime is 302000020222309. The reversal of 302000020222221 is 122222020000203.

302000020222221 is a `hidden beast` number, since 3 + 0 + 200 + 0 + 0 + 20 + 222 + 221 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 158650021053225 + 143349999168996 = 12595635^2 + 11972886^2 .

It is not a de Polignac number, because 302000020222221 - 2⁶ = 302000020222157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 302000020222194 and 302000020222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302000020226221) 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, 56760076 + ... + 61852293.

It is an arithmetic number, because the mean of its divisors is an integer number (18362440305885).

Almost surely, 2^{302000020222221} is an apocalyptic number.

It is an amenable number.

302000020222221 is a deficient number, since it is larger than the sum of its proper divisors (138698547119019).

302000020222221 is a wasteful number, since it uses less digits than its factorization.

302000020222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118615277 (or 118615274 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 302000020222221 its reverse (122222020000203), we get a palindrome (424222040222424).

The spelling of 302000020222221 in words is "three hundred two trillion, twenty million, two hundred twenty-two thousand, two hundred twenty-one".