1829381822 has 4 divisors (see below), whose sum is σ = 2744072736. Its totient is φ = 914690910.

The previous prime is 1829381821. The next prime is 1829381831. The reversal of 1829381822 is 2281839281.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1829381821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457345454 + ... + 457345457.

It is an arithmetic number, because the mean of its divisors is an integer number (686018184).

Almost surely, 2^1829381822 is an apocalyptic number.

1829381822 is a deficient number, since it is larger than the sum of its proper divisors (914690914).

1829381822 is an equidigital number, since it uses as much as digits as its factorization.

1829381822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914690913.

The product of its digits is 110592, while the sum is 44.

The square root of 1829381822 is about 42771.2733268487. The cubic root of 1829381822 is about 1223.0234563394.

The spelling of 1829381822 in words is "one billion, eight hundred twenty-nine million, three hundred eighty-one thousand, eight hundred twenty-two".