1980242422 has 4 divisors (see below), whose sum is σ = 2970363636. Its totient is φ = 990121210.

The previous prime is 1980242401. The next prime is 1980242423. The reversal of 1980242422 is 2242420891.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980242423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495060604 + ... + 495060607.

It is an arithmetic number, because the mean of its divisors is an integer number (742590909).

Almost surely, 2^1980242422 is an apocalyptic number.

1980242422 is a deficient number, since it is larger than the sum of its proper divisors (990121214).

1980242422 is an equidigital number, since it uses as much as digits as its factorization.

1980242422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990121213.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 1980242422 is about 44499.9148538511. The cubic root of 1980242422 is about 1255.7584812056.

The spelling of 1980242422 in words is "one billion, nine hundred eighty million, two hundred forty-two thousand, four hundred twenty-two".