222289919 has 8 divisors (see below), whose sum is σ = 227673600. Its totient is φ = 216916056.

The previous prime is 222289889. The next prime is 222289927. The reversal of 222289919 is 919982222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222289919 is a prime.

It is a super-2 number, since 2×222289919² = 98825616178053122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222289919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222289979) 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, 65732 + ... + 69030.

It is an arithmetic number, because the mean of its divisors is an integer number (28459200).

Almost surely, 2^222289919 is an apocalyptic number.

222289919 is a deficient number, since it is larger than the sum of its proper divisors (5383681).

222289919 is a wasteful number, since it uses less digits than its factorization.

222289919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909.

The product of its digits is 93312, while the sum is 44.

The square root of 222289919 is about 14909.3902960517. The cubic root of 222289919 is about 605.7683646372.

The spelling of 222289919 in words is "two hundred twenty-two million, two hundred eighty-nine thousand, nine hundred nineteen".