222868789 has 8 divisors (see below), whose sum is σ = 261832032. Its totient is φ = 187022640.

The previous prime is 222868777. The next prime is 222868843. The reversal of 222868789 is 987868222.

222868789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 222868789 - 2¹⁷ = 222737717 is a prime.

It is a super-2 number, since 2×222868789² = 99340994220653042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222868769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779119 + ... + 779404.

It is an arithmetic number, because the mean of its divisors is an integer number (32729004).

Almost surely, 2^222868789 is an apocalyptic number.

It is an amenable number.

222868789 is a deficient number, since it is larger than the sum of its proper divisors (38963243).

222868789 is a wasteful number, since it uses less digits than its factorization.

222868789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558547.

The product of its digits is 1548288, while the sum is 52.

The square root of 222868789 is about 14928.7906074136. The cubic root of 222868789 is about 606.2937403663.

It can be divided in two parts, 2228 and 68789, that added together give a palindrome (71017).

The spelling of 222868789 in words is "two hundred twenty-two million, eight hundred sixty-eight thousand, seven hundred eighty-nine".