222713309 has 8 divisors (see below), whose sum is σ = 274108800. Its totient is φ = 176212656.

The previous prime is 222713299. The next prime is 222713327. The reversal of 222713309 is 903317222.

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 222713309 - 2¹⁶ = 222647773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222713329) 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, 1223609 + ... + 1223790.

It is an arithmetic number, because the mean of its divisors is an integer number (34263600).

Almost surely, 2^222713309 is an apocalyptic number.

It is an amenable number.

222713309 is a deficient number, since it is larger than the sum of its proper divisors (51395491).

222713309 is a wasteful number, since it uses less digits than its factorization.

222713309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447419.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 222713309 is about 14923.5823112281. The cubic root of 222713309 is about 606.1527179576.

The spelling of 222713309 in words is "two hundred twenty-two million, seven hundred thirteen thousand, three hundred nine".