1022180018 has 8 divisors (see below), whose sum is σ = 1554273948. Its totient is φ = 504088704.

The previous prime is 1022179981. The next prime is 1022180039. The reversal of 1022180018 is 8100812201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 935931649 + 86248369 = 30593^2 + 9287^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1022179975 and 1022180002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3500471 + ... + 3500762.

Almost surely, 2^1022180018 is an apocalyptic number.

1022180018 is a deficient number, since it is larger than the sum of its proper divisors (532093930).

1022180018 is an equidigital number, since it uses as much as digits as its factorization.

1022180018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7001308.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 1022180018 is about 31971.5501344555. The cubic root of 1022180018 is about 1007.3393416178.

Adding to 1022180018 its reverse (8100812201), we get a palindrome (9122992219).

The spelling of 1022180018 in words is "one billion, twenty-two million, one hundred eighty thousand, eighteen".