222747329 has 8 divisors (see below), whose sum is σ = 258368448. Its totient is φ = 188076240.

The previous prime is 222747323. The next prime is 222747337. The reversal of 222747329 is 923747222.

222747329 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 222747329 - 2⁴ = 222747313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222747292 and 222747301.

It is not an unprimeable number, because it can be changed into a prime (222747323) 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, 237002 + ... + 237939.

It is an arithmetic number, because the mean of its divisors is an integer number (32296056).

Almost surely, 2^222747329 is an apocalyptic number.

It is an amenable number.

222747329 is a deficient number, since it is larger than the sum of its proper divisors (35621119).

222747329 is an equidigital number, since it uses as much as digits as its factorization.

222747329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475015.

The product of its digits is 84672, while the sum is 38.

The square root of 222747329 is about 14924.7220744642. The cubic root of 222747329 is about 606.1835801539.

The spelling of 222747329 in words is "two hundred twenty-two million, seven hundred forty-seven thousand, three hundred twenty-nine".