2002144342 has 32 divisors (see below), whose sum is σ = 3598629120. Its totient is φ = 824677920.

The previous prime is 2002144337. The next prime is 2002144381. The reversal of 2002144342 is 2434412002.

It is a happy number.

It is a super-2 number, since 2×2002144342² = 8017163932405225928, which contains 22 as substring.

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

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 15 ways as a sum of consecutive naturals, for example, 94513 + ... + 113740.

It is an arithmetic number, because the mean of its divisors is an integer number (112457160).

Almost surely, 2^2002144342 is an apocalyptic number.

2002144342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2002144342 is a deficient number, since it is larger than the sum of its proper divisors (1596484778).

2002144342 is a wasteful number, since it uses less digits than its factorization.

2002144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208308.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2002144342 is about 44745.3275996500. The cubic root of 2002144342 is about 1260.3711726676.

Adding to 2002144342 its reverse (2434412002), we get a palindrome (4436556344).

The spelling of 2002144342 in words is "two billion, two million, one hundred forty-four thousand, three hundred forty-two".