1812414622 has 4 divisors (see below), whose sum is σ = 2718621936. Its totient is φ = 906207310.

The previous prime is 1812414619. The next prime is 1812414649. The reversal of 1812414622 is 2264142181.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453103654 + ... + 453103657.

It is an arithmetic number, because the mean of its divisors is an integer number (679655484).

Almost surely, 2^1812414622 is an apocalyptic number.

1812414622 is a deficient number, since it is larger than the sum of its proper divisors (906207314).

1812414622 is an equidigital number, since it uses as much as digits as its factorization.

1812414622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906207313.

The product of its digits is 6144, while the sum is 31.

The square root of 1812414622 is about 42572.4631892495. The cubic root of 1812414622 is about 1219.2305956727.

The spelling of 1812414622 in words is "one billion, eight hundred twelve million, four hundred fourteen thousand, six hundred twenty-two".