2002221142 has 8 divisors (see below), whose sum is σ = 3076583832. Its totient is φ = 976693200.

The previous prime is 2002221113. The next prime is 2002221173. The reversal of 2002221142 is 2411222002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12208584 + ... + 12208747.

It is an arithmetic number, because the mean of its divisors is an integer number (384572979).

Almost surely, 2^2002221142 is an apocalyptic number.

2002221142 is a deficient number, since it is larger than the sum of its proper divisors (1074362690).

2002221142 is a wasteful number, since it uses less digits than its factorization.

2002221142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24417374.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2002221142 is about 44746.1857815837. The cubic root of 2002221142 is about 1260.3872879341.

Adding to 2002221142 its reverse (2411222002), we get a palindrome (4413443144).

The spelling of 2002221142 in words is "two billion, two million, two hundred twenty-one thousand, one hundred forty-two".