222747789 has 8 divisors (see below), whose sum is σ = 323996832. Its totient is φ = 134998640.

The previous prime is 222747781. The next prime is 222747797. The reversal of 222747789 is 987747222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222747781) and next prime (222747797).

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 222747789 - 2³ = 222747781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222747781) 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, 3374934 + ... + 3374999.

It is an arithmetic number, because the mean of its divisors is an integer number (40499604).

Almost surely, 2^222747789 is an apocalyptic number.

It is an amenable number.

222747789 is a deficient number, since it is larger than the sum of its proper divisors (101249043).

222747789 is a wasteful number, since it uses less digits than its factorization.

222747789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6749947.

The product of its digits is 790272, while the sum is 48.

The square root of 222747789 is about 14924.7374851285. The cubic root of 222747789 is about 606.1839974342.

The spelling of 222747789 in words is "two hundred twenty-two million, seven hundred forty-seven thousand, seven hundred eighty-nine".