1814229389 has 8 divisors (see below), whose sum is σ = 2076045888. Its totient is φ = 1553073120.

The previous prime is 1814229317. The next prime is 1814229407. The reversal of 1814229389 is 9839224181.

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

It is a cyclic number.

It is not a de Polignac number, because 1814229389 - 2¹⁶ = 1814163853 is a prime.

It is a super-2 number, since 2×1814229389² = 6582856551822626642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814229289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159152 + ... + 170169.

It is an arithmetic number, because the mean of its divisors is an integer number (259505736).

Almost surely, 2^1814229389 is an apocalyptic number.

It is an amenable number.

1814229389 is a deficient number, since it is larger than the sum of its proper divisors (261816499).

1814229389 is an equidigital number, since it uses as much as digits as its factorization.

1814229389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330115.

The product of its digits is 248832, while the sum is 47.

The square root of 1814229389 is about 42593.7717160620. The cubic root of 1814229389 is about 1219.6373976147.

The spelling of 1814229389 in words is "one billion, eight hundred fourteen million, two hundred twenty-nine thousand, three hundred eighty-nine".