1819147022 has 64 divisors (see below), whose sum is σ = 3554869248. Its totient is φ = 677484000.

The previous prime is 1819147007. The next prime is 1819147051. The reversal of 1819147022 is 2207419181.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393947 + ... + 398537.

It is an arithmetic number, because the mean of its divisors is an integer number (55544832).

Almost surely, 2^1819147022 is an apocalyptic number.

1819147022 is a deficient number, since it is larger than the sum of its proper divisors (1735722226).

1819147022 is a wasteful number, since it uses less digits than its factorization.

1819147022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1819147022 is about 42651.4597874446. The cubic root of 1819147022 is about 1220.7383826330.

It can be divided in two parts, 1819 and 147022, that added together give a palindrome (148841).

The spelling of 1819147022 in words is "one billion, eight hundred nineteen million, one hundred forty-seven thousand, twenty-two".