201122022 has 16 divisors (see below), whose sum is σ = 406764720. Its totient is φ = 66287232.

The previous prime is 201122021. The next prime is 201122027. The reversal of 201122022 is 220221102.

It is a junction number, because it is equal to n+sod(n) for n = 201121989 and 201122007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187783 + ... + 188850.

It is an arithmetic number, because the mean of its divisors is an integer number (25422795).

Almost surely, 2^201122022 is an apocalyptic number.

201122022 is an abundant number, since it is smaller than the sum of its proper divisors (205642698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201122022 is a wasteful number, since it uses less digits than its factorization.

201122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376727.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 201122022 is about 14181.7496099741. The cubic root of 201122022 is about 585.8951129900.

Adding to 201122022 its reverse (220221102), we get a palindrome (421343124).

The spelling of 201122022 in words is "two hundred one million, one hundred twenty-two thousand, twenty-two".