2202221123 has 4 divisors (see below), whose sum is σ = 2331763560. Its totient is φ = 2072678688.

The previous prime is 2202221041. The next prime is 2202221141. The reversal of 2202221123 is 3211222022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2202221123 is a prime.

It is a super-2 number, since 2×2202221123² = 9699555749174762258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 129542419 = 2202221123 / (2 + 2 + 0 + 2 + 2 + 2 + 1 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202223123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64771193 + ... + 64771226.

It is an arithmetic number, because the mean of its divisors is an integer number (582940890).

Almost surely, 2^2202221123 is an apocalyptic number.

2202221123 is a deficient number, since it is larger than the sum of its proper divisors (129542437).

2202221123 is a wasteful number, since it uses less digits than its factorization.

2202221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129542436.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2202221123 is about 46927.8288758387. The cubic root of 2202221123 is about 1301.0289926016.

Adding to 2202221123 its reverse (3211222022), we get a palindrome (5413443145).

The spelling of 2202221123 in words is "two billion, two hundred two million, two hundred twenty-one thousand, one hundred twenty-three".