1822918241 has 4 divisors (see below), whose sum is σ = 1823163072. Its totient is φ = 1822673412.

The previous prime is 1822918217. The next prime is 1822918243. The reversal of 1822918241 is 1428192281.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1822918241 - 2¹⁸ = 1822656097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1822918195 and 1822918204.

It is not an unprimeable number, because it can be changed into a prime (1822918243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110885 + ... + 126258.

It is an arithmetic number, because the mean of its divisors is an integer number (455790768).

Almost surely, 2^1822918241 is an apocalyptic number.

It is an amenable number.

1822918241 is a deficient number, since it is larger than the sum of its proper divisors (244831).

1822918241 is an equidigital number, since it uses as much as digits as its factorization.

1822918241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244830.

The product of its digits is 18432, while the sum is 38.

The square root of 1822918241 is about 42695.6466281985. The cubic root of 1822918241 is about 1221.5813590648.

The spelling of 1822918241 in words is "one billion, eight hundred twenty-two million, nine hundred eighteen thousand, two hundred forty-one".