222889 has 4 divisors (see below), whose sum is σ = 234640. Its totient is φ = 211140.

The previous prime is 222883. The next prime is 222913. The reversal of 222889 is 988222.

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 222889 - 2⁵ = 222857 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁴ + 8⁴ + 2¹⁷ + 8⁴ + 9⁵ .

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 222889.

It is not an unprimeable number, because it can be changed into a prime (222883) 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, 5847 + ... + 5884.

It is an arithmetic number, because the mean of its divisors is an integer number (58660).

2²²²⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

222889 is a deficient number, since it is larger than the sum of its proper divisors (11751).

222889 is a wasteful number, since it uses less digits than its factorization.

222889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11750.

The product of its digits is 4608, while the sum is 31.

The square root of 222889 is about 472.1112157109. Note that the first 3 decimals coincide. The cubic root of 222889 is about 60.6312067192.

It can be divided in two parts, 222 and 889, that added together give a palindrome (1111).

The spelling of 222889 in words is "two hundred twenty-two thousand, eight hundred eighty-nine".