2202212200221 has 48 divisors (see below), whose sum is σ = 3624567098880. Its totient is φ = 1325071865520.

The previous prime is 2202212200171. The next prime is 2202212200231. The reversal of 2202212200221 is 1220022122022.

2202212200221 is a `hidden beast` number, since 2 + 2 + 0 + 221 + 220 + 0 + 221 = 666.

It is not a de Polignac number, because 2202212200221 - 2⁶ = 2202212200157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202212200194 and 2202212200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202212200231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2592025 + ... + 3335118.

It is an arithmetic number, because the mean of its divisors is an integer number (75511814560).

Almost surely, 2^{2202212200221} is an apocalyptic number.

It is an amenable number.

2202212200221 is a deficient number, since it is larger than the sum of its proper divisors (1422354898659).

2202212200221 is a wasteful number, since it uses less digits than its factorization.

2202212200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5927308 (or 5927296 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2202212200221 its reverse (1220022122022), we get a palindrome (3422234322243).

The spelling of 2202212200221 in words is "two trillion, two hundred two billion, two hundred twelve million, two hundred thousand, two hundred twenty-one".