222355689 has 16 divisors (see below), whose sum is σ = 313896000. Its totient is φ = 139617216.

The previous prime is 222355663. The next prime is 222355711. The reversal of 222355689 is 986553222.

It is not a de Polignac number, because 222355689 - 2¹² = 222351593 is a prime.

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 222355689.

It is not an unprimeable number, because it can be changed into a prime (222353689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1414 + ... + 21135.

It is an arithmetic number, because the mean of its divisors is an integer number (19618500).

Almost surely, 2^222355689 is an apocalyptic number.

It is an amenable number.

222355689 is a deficient number, since it is larger than the sum of its proper divisors (91540311).

222355689 is a wasteful number, since it uses less digits than its factorization.

222355689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22744.

The product of its digits is 259200, while the sum is 42.

The square root of 222355689 is about 14911.5957898543. The cubic root of 222355689 is about 605.8281026239.

The spelling of 222355689 in words is "two hundred twenty-two million, three hundred fifty-five thousand, six hundred eighty-nine".