1822812047 has 8 divisors (see below), whose sum is σ = 2083479552. Its totient is φ = 1562211000.

The previous prime is 1822812037. The next prime is 1822812091. The reversal of 1822812047 is 7402182281.

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

It is not a de Polignac number, because 1822812047 - 2²² = 1818617743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1822811998 and 1822812016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822812007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78422 + ... + 98972.

It is an arithmetic number, because the mean of its divisors is an integer number (260434944).

Almost surely, 2^1822812047 is an apocalyptic number.

1822812047 is a deficient number, since it is larger than the sum of its proper divisors (260667505).

1822812047 is a wasteful number, since it uses less digits than its factorization.

1822812047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33229.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 1822812047 is about 42694.4029938352. The cubic root of 1822812047 is about 1221.5576375530.

The spelling of 1822812047 in words is "one billion, eight hundred twenty-two million, eight hundred twelve thousand, forty-seven".