1814227081 has 16 divisors (see below), whose sum is σ = 1877904000. Its totient is φ = 1751587200.

The previous prime is 1814227073. The next prime is 1814227109. The reversal of 1814227081 is 1807224181.

It is a cyclic number.

It is not a de Polignac number, because 1814227081 - 2³ = 1814227073 is a prime.

It is a super-2 number, since 2×1814227081² = 6582839802867561122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1814227381) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1867926 + ... + 1868896.

It is an arithmetic number, because the mean of its divisors is an integer number (117369000).

Almost surely, 2^1814227081 is an apocalyptic number.

It is an amenable number.

1814227081 is a deficient number, since it is larger than the sum of its proper divisors (63676919).

1814227081 is a wasteful number, since it uses less digits than its factorization.

1814227081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 1814227081 is about 42593.7446228903. The cubic root of 1814227081 is about 1219.6368804209.

The spelling of 1814227081 in words is "one billion, eight hundred fourteen million, two hundred twenty-seven thousand, eighty-one".