1142002022 has 8 divisors (see below), whose sum is σ = 1957717776. Its totient is φ = 489429432.

The previous prime is 1142002021. The next prime is 1142002039. The reversal of 1142002022 is 2202002411.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 81571573 = 1142002022 / (1 + 1 + 4 + 2 + 0 + 0 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1142001988 and 1142002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142002021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40785773 + ... + 40785800.

It is an arithmetic number, because the mean of its divisors is an integer number (244714722).

Almost surely, 2^1142002022 is an apocalyptic number.

1142002022 is a deficient number, since it is larger than the sum of its proper divisors (815715754).

1142002022 is an equidigital number, since it uses as much as digits as its factorization.

1142002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81571582.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1142002022 is about 33793.5204144226. The cubic root of 1142002022 is about 1045.2550896993.

Adding to 1142002022 its reverse (2202002411), we get a palindrome (3344004433).

The spelling of 1142002022 in words is "one billion, one hundred forty-two million, two thousand, twenty-two".