222053350221 has 12 divisors (see below), whose sum is σ = 322597740348. Its totient is φ = 147179868864.

The previous prime is 222053350163. The next prime is 222053350229. The reversal of 222053350221 is 122053350222.

222053350221 is a `hidden beast` number, since 22 + 20 + 53 + 350 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 186722508996 + 35330841225 = 432114^2 + 187965^2 .

It is not a de Polignac number, because 222053350221 - 2⁹ = 222053349709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222053350229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71306520 + ... + 71309633.

It is an arithmetic number, because the mean of its divisors is an integer number (26883145029).

Almost surely, 2^222053350221 is an apocalyptic number.

It is an amenable number.

222053350221 is a deficient number, since it is larger than the sum of its proper divisors (100544390127).

222053350221 is a wasteful number, since it uses less digits than its factorization.

222053350221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142616332 (or 142616329 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Subtracting from 222053350221 its reverse (122053350222), we obtain a palindrome (99999999999).

The spelling of 222053350221 in words is "two hundred twenty-two billion, fifty-three million, three hundred fifty thousand, two hundred twenty-one".