899222 has 8 divisors (see below), whose sum is σ = 1365336. Its totient is φ = 444112.

The previous prime is 899221. The next prime is 899233. The reversal of 899222 is 222998.

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

It is a super-3 number, since 3×899222³ = 2181333281387667144, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2543 + ... + 2874.

It is an arithmetic number, because the mean of its divisors is an integer number (170667).

2⁸⁹⁹²²² is an apocalyptic number.

899222 is a deficient number, since it is larger than the sum of its proper divisors (466114).

899222 is a wasteful number, since it uses less digits than its factorization.

899222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502.

The product of its digits is 5184, while the sum is 32.

The square root of 899222 is about 948.2731673943. The cubic root of 899222 is about 96.5211100425.

The spelling of 899222 in words is "eight hundred ninety-nine thousand, two hundred twenty-two".