822225999 has 8 divisors (see below), whose sum is σ = 1252915840. Its totient is φ = 469843416.

The previous prime is 822225997. The next prime is 822226001. The reversal of 822225999 is 999522228.

It is an interprime number because it is at equal distance from previous prime (822225997) and next prime (822226001).

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

It is not a de Polignac number, because 822225999 - 2¹ = 822225997 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 (822225997) 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, 19576789 + ... + 19576830.

It is an arithmetic number, because the mean of its divisors is an integer number (156614480).

Almost surely, 2^822225999 is an apocalyptic number.

822225999 is a deficient number, since it is larger than the sum of its proper divisors (430689841).

822225999 is a wasteful number, since it uses less digits than its factorization.

822225999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39153629.

The product of its digits is 466560, while the sum is 48.

The square root of 822225999 is about 28674.4834129579. The cubic root of 822225999 is about 936.8363536470.

The spelling of 822225999 in words is "eight hundred twenty-two million, two hundred twenty-five thousand, nine hundred ninety-nine".