222355589 has 4 divisors (see below), whose sum is σ = 225034656. Its totient is φ = 219676524.

The previous prime is 222355577. The next prime is 222355603. The reversal of 222355589 is 985553222.

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 222355589 - 2¹⁶ = 222290053 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222355519) 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, 1339409 + ... + 1339574.

It is an arithmetic number, because the mean of its divisors is an integer number (56258664).

Almost surely, 2^222355589 is an apocalyptic number.

It is an amenable number.

222355589 is a deficient number, since it is larger than the sum of its proper divisors (2679067).

222355589 is an equidigital number, since it uses as much as digits as its factorization.

222355589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679066.

The product of its digits is 216000, while the sum is 41.

The square root of 222355589 is about 14911.5924367587. The cubic root of 222355589 is about 605.8280118042.

The spelling of 222355589 in words is "two hundred twenty-two million, three hundred fifty-five thousand, five hundred eighty-nine".