2201221142 has 4 divisors (see below), whose sum is σ = 3301831716. Its totient is φ = 1100610570.

The previous prime is 2201221103. The next prime is 2201221151. The reversal of 2201221142 is 2411221022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2201221142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550305284 + ... + 550305287.

It is an arithmetic number, because the mean of its divisors is an integer number (825457929).

Almost surely, 2^2201221142 is an apocalyptic number.

2201221142 is a deficient number, since it is larger than the sum of its proper divisors (1100610574).

2201221142 is a wasteful number, since it uses less digits than its factorization.

2201221142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100610573.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2201221142 is about 46917.1732098173. The cubic root of 2201221142 is about 1300.8320397421.

Adding to 2201221142 its reverse (2411221022), we get a palindrome (4612442164).

The spelling of 2201221142 in words is "two billion, two hundred one million, two hundred twenty-one thousand, one hundred forty-two".