1002242140422 has 128 divisors (see below), whose sum is σ = 2179064954880. Its totient is φ = 306279792000.

The previous prime is 1002242140399. The next prime is 1002242140423. The reversal of 1002242140422 is 2240412422001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002242140392 and 1002242140401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002242140423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 681333147 + ... + 681334617.

It is an arithmetic number, because the mean of its divisors is an integer number (17023944960).

Almost surely, 2^{1002242140422} is an apocalyptic number.

1002242140422 is an abundant number, since it is smaller than the sum of its proper divisors (1176822814458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002242140422 is a wasteful number, since it uses less digits than its factorization.

1002242140422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1002242140422 its reverse (2240412422001), we get a palindrome (3242654562423).

The spelling of 1002242140422 in words is "one trillion, two billion, two hundred forty-two million, one hundred forty thousand, four hundred twenty-two".