222743129 has 16 divisors (see below), whose sum is σ = 269941248. Its totient is φ = 179423232.

The previous prime is 222743123. The next prime is 222743149. The reversal of 222743129 is 921347222.

222743129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222743129 - 2²⁰ = 221694553 is a prime.

It is a super-2 number, since 2×222743129² = 99229003033421282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222743095 and 222743104.

It is not an unprimeable number, because it can be changed into a prime (222743123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130409 + ... + 132105.

It is an arithmetic number, because the mean of its divisors is an integer number (16871328).

Almost surely, 2^222743129 is an apocalyptic number.

It is an amenable number.

222743129 is a deficient number, since it is larger than the sum of its proper divisors (47198119).

222743129 is a wasteful number, since it uses less digits than its factorization.

222743129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824.

The product of its digits is 12096, while the sum is 32.

The square root of 222743129 is about 14924.5813676632. The cubic root of 222743129 is about 606.1797701762.

The spelling of 222743129 in words is "two hundred twenty-two million, seven hundred forty-three thousand, one hundred twenty-nine".