222220122201 has 48 divisors (see below), whose sum is σ = 400400851968. Its totient is φ = 115377804000.

The previous prime is 222220122193. The next prime is 222220122211. The reversal of 222220122201 is 102221022222.

222220122201 is a `hidden beast` number, since 222 + 220 + 1 + 2 + 220 + 1 = 666.

It is not a de Polignac number, because 222220122201 - 2³ = 222220122193 is a prime.

It is a super-2 number, since 2×222220122201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222220122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1237476 + ... + 1405626.

It is an arithmetic number, because the mean of its divisors is an integer number (8341684416).

Almost surely, 2^222220122201 is an apocalyptic number.

222220122201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222220122201 is a deficient number, since it is larger than the sum of its proper divisors (178180729767).

222220122201 is a wasteful number, since it uses less digits than its factorization.

222220122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170082 (or 170079 counting only the distinct ones).

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

Adding to 222220122201 its reverse (102221022222), we get a palindrome (324441144423).

The spelling of 222220122201 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred one".