222357889 has 4 divisors (see below), whose sum is σ = 239462356. Its totient is φ = 205253424.

The previous prime is 222357887. The next prime is 222357907. The reversal of 222357889 is 988753222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 988753222 = 2 ⋅494376611.

It can be written as a sum of positive squares in 2 ways, for example, as 136702864 + 85655025 = 11692^2 + 9255^2 .

It is a cyclic number.

It is not a de Polignac number, because 222357889 - 2¹ = 222357887 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222357881) 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, 8552214 + ... + 8552239.

It is an arithmetic number, because the mean of its divisors is an integer number (59865589).

Almost surely, 2^222357889 is an apocalyptic number.

It is an amenable number.

222357889 is a deficient number, since it is larger than the sum of its proper divisors (17104467).

222357889 is a wasteful number, since it uses less digits than its factorization.

222357889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17104466.

The product of its digits is 483840, while the sum is 46.

The square root of 222357889 is about 14911.6695577658. The cubic root of 222357889 is about 605.8301006500.

The spelling of 222357889 in words is "two hundred twenty-two million, three hundred fifty-seven thousand, eight hundred eighty-nine".