1822714221 has 8 divisors (see below), whose sum is σ = 2470126624. Its totient is φ = 1195222320.

The previous prime is 1822714193. The next prime is 1822714249. The reversal of 1822714221 is 1224172281.

It is an interprime number because it is at equal distance from previous prime (1822714193) and next prime (1822714249).

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

It is not a de Polignac number, because 1822714221 - 2⁷ = 1822714093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822714021) 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, 4979911 + ... + 4980276.

It is an arithmetic number, because the mean of its divisors is an integer number (308765828).

Almost surely, 2^1822714221 is an apocalyptic number.

It is an amenable number.

1822714221 is a deficient number, since it is larger than the sum of its proper divisors (647412403).

1822714221 is an equidigital number, since it uses as much as digits as its factorization.

1822714221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9960251.

The product of its digits is 3584, while the sum is 30.

The square root of 1822714221 is about 42693.2573247814. The cubic root of 1822714221 is about 1221.5357844615.

The spelling of 1822714221 in words is "one billion, eight hundred twenty-two million, seven hundred fourteen thousand, two hundred twenty-one".