1813368422 has 16 divisors (see below), whose sum is σ = 2767623120. Its totient is φ = 890843808.

The previous prime is 1813368407. The next prime is 1813368433. The reversal of 1813368422 is 2248633181.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346328 + ... + 351524.

It is an arithmetic number, because the mean of its divisors is an integer number (172976445).

Almost surely, 2^1813368422 is an apocalyptic number.

1813368422 is a deficient number, since it is larger than the sum of its proper divisors (954254698).

1813368422 is a wasteful number, since it uses less digits than its factorization.

1813368422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8215.

The product of its digits is 55296, while the sum is 38.

The square root of 1813368422 is about 42583.6637925860. The cubic root of 1813368422 is about 1219.4444353007. Note that the first 4 decimals are identical.

The spelling of 1813368422 in words is "one billion, eight hundred thirteen million, three hundred sixty-eight thousand, four hundred twenty-two".