2201661022 has 16 divisors (see below), whose sum is σ = 3670695792. Its totient is φ = 981872320.

The previous prime is 2201661001. The next prime is 2201661031.

2201661022 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2201661022² = 9694622511588168968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2201660984 and 2201661002.

It is a congruent number.

It is an unprimeable number.

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, 942943 + ... + 945274.

It is an arithmetic number, because the mean of its divisors is an integer number (229418487).

Almost surely, 2^2201661022 is an apocalyptic number.

2201661022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2201661022 is a deficient number, since it is larger than the sum of its proper divisors (1469034770).

2201661022 is a wasteful number, since it uses less digits than its factorization.

2201661022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888283.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2201661022 is about 46921.8608113532. The cubic root of 2201661022 is about 1300.9186843588.

It can be divided in two parts, 22016 and 61022, that added together give a palindrome (83038).

The spelling of 2201661022 in words is "two billion, two hundred one million, six hundred sixty-one thousand, twenty-two".