222298989 has 8 divisors (see below), whose sum is σ = 323344032. Its totient is φ = 134726640.

The previous prime is 222298981. The next prime is 222299023. The reversal of 222298989 is 989892222.

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

It is not a de Polignac number, because 222298989 - 2³ = 222298981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222298981) 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 7 ways as a sum of consecutive naturals, for example, 3368134 + ... + 3368199.

It is an arithmetic number, because the mean of its divisors is an integer number (40418004).

Almost surely, 2^222298989 is an apocalyptic number.

It is an amenable number.

222298989 is a deficient number, since it is larger than the sum of its proper divisors (101045043).

222298989 is a wasteful number, since it uses less digits than its factorization.

222298989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736347.

The product of its digits is 746496, while the sum is 51.

The square root of 222298989 is about 14909.6944636703. The cubic root of 222298989 is about 605.7766034939.

The spelling of 222298989 in words is "two hundred twenty-two million, two hundred ninety-eight thousand, nine hundred eighty-nine".